Linux no route to host

Last UpdatedMarch 5, 2024

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0 dev br-871be59076d8 You can then try to access the website on 192. Your laptop may be firewalled or your sshd may be only listening on localhost. Running ssh user@public. Jan 10, 2023 · To test if that route is indeed the source of your problem, you can use the ip command to delete the route: sudo ip route del 192. 1, netmask 255. ip address 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127. 83. You're looking in the wrong place. x/24 subnet and they see each other - telnet is adamant in saying that there is no route: [root@centos7 ~]# ip a. 80. You need to open ports individually: Ex, for Docker: firewall-cmd --permanent --zone=public --add-port=2377/tcp firewall-cmd --reload no route to hostのようなログの場合にはルーティング設定を確認しましょう。 ipコマンドやnetstatなどでサーバのルートテーブルを確認できます。 AWSの場合にはVPCのルートテーブルの設定を確認しましょう。 Jan 25, 2024 · 1. Mar 14, 2024 · When encountering the “No Route to Host” error, Linux systems are unable to establish a TCP/IP connection with the target host, resulting in failed network May 27, 2016 · telnet: connect to address 10. This will grant temporarily access to redis running on the host. I did the command service autofs restart once the system booted. it wasnt able to find the network to reach. address -p6433. $ traceroute -q 2 www. Mar 13, 2017 · ssh: connect to host heroku. If I have beta listen on port 3000 and try to connect to it, I can't: $ ssh -p3000 192. which returns: ssh: connect to host ip. Start off by trying to ping the IP address, if you know it. See. lab. 176. You can check the routing table again to double check that all is good. 4 lab exercise 2) I ran into this problem: after installing and starting a web service, from the classroom web termicaI I cannot reach servera. UFW inactivated Aug 19, 2022 · The Connect () function is performed through this addrinfo to complete the TCP handshake. 15 dev enp0s3. But when I use the same command to transfer the file to a WAN machine, it works well. 2, the VM's 192. Minecraft java: No route to host? Hardware: 7800x3d, 7900xtx, Ethernet. The same issues would impact any other tool, including end-user tools such as ping, telnet, etc; and are thus not on-topic here. To access the remote server, the ssh command is utilized with the “username” and allocates an IP address “127. 9: No route to host. May 29, 2019 · Stack Exchange Network. If ping succeeds, then telnet to ensure SSH port is available and allowable. 10. Next, execute the following command to ensure your machine is not blocked on the network. To Action From. i suppose there's no other solution then to do a new install . This question is intermittent. answered Oct 16, 2020 at 20:04. Jul 18, 2017 · 0. Can't connect: No route to host. But it looks like it's actually only those two operations that work. 100. # ssh_config(5) for more information. davidmneedham. 10 and 10. I suspect the problem is in the configuration of Apache, as if we haven't made it available to make requests to certain IP or port. 0/24 dev eth0 proto kernel scope link src Aug 21, 2016 · Host B: IP address 192. As Firewall I am using ferm on both servers. This isn't a problem with SSH, it's a problem with your network config. The new way is to use the iproute set of commands, which are all invoked with ip followed by an object. 12” as verified below: しかし、単純な設定ミスにより、iptables は到達したいポートへの接続をブロックし、「No Route to Host」エラーを引き起こす可能性があります。. Maybe one of the daemons was running but had a problem that restarting it could clear. Apr 6, 2016 · Ssh:connect to host 192. produces. Jul 30, 2023 · I'm testing out l2ping via a Ubuntu VM on a MacOS machine, ran using UTM QEMU. the docker container was not able to connect to the host machine. The following command: sudo l2ping -s 5000 -f <my speaker's bluetooth MAC address>. It would probably be one of. In this short article, we will show how to troubleshoot and fix this error. Don't know if this will be enough, but at least it's some information to start with. I've never asked for help online before, always managed to find a social in another thread. route add -net 192. The most likely cause is network configuration issues, e. Mar 24, 2023 · 2023年3月24日 上午11:30 • Linux常见异常. And when I use ping to ping WAN website, it works well, but when I ping a LAN ip address, it does not work. Mar 27, 2019 · I cannot ssh my IP address and loopback (says port 22: Connection refused ). 141 1 6. Mar 7, 2017 · If I try to ssh into the server from my laptop (or ping the server from the laptop) using the server's static internal IP address, I frequently get "No route to host". ip returns. via Desktop B, I can access both my Laptop and Desktop. These filters are listed as a table displaying what to do with traffic packets. 103. For example: $ ip route show. This is a community for sharing news about Linux, interesting developments and press. Look again at the network config, make sure that's in order before you try and fix ssh. 1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: enp1s0: <NO-CARRIER We would like to show you a description here but the site won’t allow us. If you're looking for tech support, /r/Linux4Noobs and /r/linuxquestions are friendly communities that can help you. SSH to a computer on the P. 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default Apr 5, 2021 · If yes, then maybe it is your wget command that is wrong: please edit your question add the full command syntax you are using. 109 port 22: No route to host. . Exclusive for LQ members, get up to 45% off per month. To start with something, provide at least outputs from the following commands: netstat -r -n, ifconfig -a and iptables -L -n. But in any case, edit /etc/hosts and windows host file to include ip's of your workstatations, it is most probably DNS problem, when you try to ssh to a host that cannot resolve the name of the source and/or its own name it will timeout. I'm able to SSH into this machine from another device on the same network using the above command, but not from the Linux SSH is the most secure means of connecting to Linux servers remotely. com with curl: "No route to host". 設定した iptables ルールが接続 Feb 15, 2015 · 5. EHOSTUNREACH aka. "No route to host"错误提示通常出现在Linux系统中,这个错误通常发生在网络连接中出现问题时。. This despite the fact that I can ping it, open a shell to it, and install the package on it with Ansible. A duplicate MAC address conflict. Run the following commands to open port 21 and restart the firewall service. Apr 7, 2020 · I'm currently trying to set up SSH on a clean Ubuntu 18. Aug 9, 2021 · But as soon as I change localhost to the public IP address, it gives the following error: curl: (7) Failed to connect to <ip> port 80: No route to host. but when I try to access other server resources, like a HTTP server, I get "No route to host". 243. $ service sshd restart. Hope it helps. when i do a tcpdump in 10. ip port 22: No route to host. Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. # users, and the values can be changed in per-user configuration files. And those both work. 0/20 dev eth0 proto kernel scope link src 159. Aug 6, 2015 · But I encounter the problem: $ scp filename. I first got problems with timing out over port 22, which is typically due to some firewall privileges, of which I had eventually disabled windows firewall entirely to see if that would circumvent the problem, no dice. Your no route to host while the machine is ping-able is the sign of a firewall that denies you access politely (i. Sep 25, 2019 · I am getting this output when running a mount -av on my EC2 instance: I already have the allow incoming in the security group for the IP of EFS and the allow for the IP of the EC2 in the security g Jun 28, 2017 · clnt_create: RPC: Port mapper failure - Unable to receive: errno 113 (No route to host) is related to firewall. I have turned off the firewall on both machines and I have checked to Sep 8, 2016 · 1. 25 protocol. default via 192. And one of the common errors encountered while using SSH is the “ssh: connect to host port 22: No route to host”. In my case I wasn't able to open host served by Apache. Jul 21, 2011 · port 22: No route to host in both the cases. sh. 9, so that "No route to host" really means "No ARP entry for host". Now, I hear you say, this is basically the Jan 8, 2024 · Attempted telnet and nc from node to manager on port 2377, but both failed with “No route to host”. REJECT results in an icmp-host-prohibited ICMP packet being sent back to the client informing them that the end host refused the connection. I own both the machines, now if I try same commands from my friend's machine, i. Running the same command with my private ip works. 0; Neither host has a default gateway. The host machine can access it fine via the browser, however when I log in to the terminal and run wget 172. @SmilingDragon First of all, I got no firewall (or atleast none that blocks anything). I have no idea how to check it. Then try the following: docker run --rm --dns "<IP Windows DNS>" busybox ping <IP for Windows Host> -c 2. 5 159. 127. The first step is to check network connectivity by using ping command, checking IP addresses and firewall settings. In order to get the server to respond to it's internal static IP address once this happens, I must ssh into the server via its internet-facing domain name, then ping my laptop Feb 3, 2015 · But when I am trying to telnet from another host to RHEL 7 its giving this error: Trying 10. You should be providing the address of the router on 10. Therefore iperf client will out Connection failed: No route to host. This file provides defaults for. Use this command to find your active zone (s): firewall-cmd --get-active-zones. 46. Get a virtual cloud desktop with the Linux distro that you want in less than five minutes with Shells! With over 10 pre-installed distros to choose from, the worry-free installation life is here! With over 10 pre-installed distros to choose from, the worry-free installation life is here! Apr 17, 2007 · Here are a few wild guesses to try. iptables が原因かどうかを確認するには、次のコマンドを実行します。. Telnet OK --> you can run scp command. 0. Improve this answer. linux. This will probably be reflected like this in the iptables rules: # iptables -S -t filter | grep -w 6379. The very first thing to be checked when getting an error "SSH: No route to host" would be network connectivity between client and server. Jan 19, 2024 · If your computer isn’t connecting to a DNS server properly, you might experience “no route to host” errors on Linux. From the VM I can connect to the host without any problems, but from the host I can't SSH to the VM,even though I still can ping the KVM from the host. Destination host unreachable. 0 gw 192. 161. x: No route to host telnet: Unable to connect to remote host: No route to host. ssh [email protected] The following is the output for ifconfig . In an attempt to resolve this I added: ports: - 9000:9000 to the docker-compose. It has predefined set of blocking rules. sudo ufw disable to temporarily disable the server firewall (I also added 80/tcp to my allowed ufw list. 27. Once there, you can add a new server/host adding a line in the format like: 192. GnuPG may think you have a (partially configured Packet going out of wrong interface due to OS adding cache route - OS trying to route through default route: msr1981: Red Hat: 1: 10-09-2017 05:45 AM: telnet works but 'telnet host 25' gives 'no route to host' karlmdv: Linux - Networking: 2: 07-25-2006 06:28 AM: I am not able to add a new route to my route table using route command: prashanth s Mar 12, 2018 · man ip-route has the following to say about proto kernel: "kernel - the route was installed by the kernel during autoconfiguration. sudo iptables -S. Nhiều khả năng gây ra lỗi có thể là do máy chủ được đưa xuống để bảo trì hoặc đang gặp phải sự cố nào Mar 11, 2024 · In the traceroute command, a hop represents one router or network device along the path your data packets take to reach their destination. But I am able to telnet from RHEL7 host to any other host. And one of the common errors encountered while using SSH is the “ssh: connect to host port 22: No route to host”…. Oct 10, 2010 · iscsiadm: cannot make connection to <IP>: No route to host however, I can ping the IP fine. calico: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1450 qdisc noqueue state UNKNOWN group default inet 10. Also, while editing, please add your comments regarding the ping and ip route commands you've tried (simply copy-paste them), and use the {} (code sample) formatting option. Errourous IP-settings - If you can surf the internet intermettiantly, then this is not the problem. Jul 17, 2018 · 0. May 24, 2016 · so that, for example, if the problem is that the ARP entry for the other host timed out on one of the hosts, and a subsequent attempt to re-ARP for the other host's MAC address failed, that will show up. 3 final Lab and Ch. In the case of public try: firewall-cmd --zone=public --add-port=8000/tcp. nc -zvw2 [server-ip] 22. ) telnet 192. To set and forget, you can add this IP address to docker's configuration file etc/docker/daemon. 128. ufw is configured on machine A to accept incoming connections to port 80 from anywhere: ubuntu@machine-a:~$ sudo ufw status. Để sửa lỗi kết nối " No Route to Host " trên Linux, trước tiên thử kiểm tra xem máy chủ mà bạn đang cố gắng kết nối có đang hoạt động trực tuyến hay không. connect: No route to host. ) Aug 25, 2022 · How To Fix “No Route To Host” In Linux By Anup Thapa Anup Thapa Linux & Hardware Specialist Anup Thapa primarily covers Windows systems, networking, and computer hardware at TechNewsToday. tcpdump: verbose output suppressed, use -v or -vv for full protocol decode. Need to make sure desktop can ping laptop. This is my "ip ro li" output: default via 10. – Pizza. 1:8140 #address exchanged. 0 netmask 255. The default is 3 but you can send num probe packets per hop by passing the -q option: $ traceroute -q <hop-num-here> <host-name-here>. You should only apply to the zones required. Jun 9, 2015 at 3:12. 238. example. ssh 192. ping 192. Oct 17, 2022 · Iptables utility allows Linux users to create filters to configure Linux farewell. Here is a screenshot of the error we are talking about. Should be able to ping – Jul 1, 2022 · Here is the ip address and ip route output for each machine:. google. EDIT: Here is my ssh configuration file: # This is the ssh client system-wide configuration file. 109:/tmp. 0/16 dev eth0 proto kernel scope link src 10. 50. 0/24 which can forward the packets. in. Jul 17, 2020 · SSH is the most secure means of connecting to Linux servers remotely. Ssh client through a specific interface. Jan 18, 2010 · Get a virtual cloud desktop with the Linux distro that you want in less than five minutes with Shells! With over 10 pre-installed distros to choose from, the worry-free installation life is here! With over 10 pre-installed distros to choose from, the worry-free installation life is here! Because this would also prevent the telnet connection. 1 localhost localhost won't be resolved to 127. 200. Jun 21, 2020 · curl: (7) Failed to connect to 10. with an ICMP message rather than just DROP-ping). 235. 30:9000 I get failed: No route to host. Oct 24, 2016 · Try running the container with the flag --net set to host. Check Network Connectivity. This is the command I'm using: ssh <username>@<ipv6 address>. answered Sep 20, 2018 at 16:10. The systems are debian squeeze vm-boxes. x/24 and 192. This command works fine, but you have to be careful which port to open. My cURL was Jul 23, 2019 · Host unreachable and I do not get why. connect:errno=113. If the link delay in the network is greater than tcp connection timeout value. ssh: connect to host 10. Aug 8, 2018 · Port 6433. Jul 10, 2014 · i'm writing a server/client c program based on AX. Here's the order of commands executed: 1. There can be many reasons. (Default SSH port is 22; I don't know whether you changed it on your system. Or just reboot both. x. (I'm assuming here that there's no router in between 10. Please also check out: https://lemmy. Jul 23, 2023 · With two exercises (Ch. {. 85. " Feb 29, 2024 · curl -u elastic:NYC59UxNJ3FRNZUpNhKa https://10. 168 port 9200: No route to host enter code here Also added the following inbound rules to the Linux machine's NSG. I've set up two linux virtual machines, running this command on one: iperf3 -s. 105 but am unable to ftp 192. On linux you can run lsof -i -a -p <pid of root sshd> to see what interfaces it's on. And as for the output (Assuming I did it right) is Jun 12, 2023 · Fixing the "No route to host SSH Error" in Linux requires a structured approach and a thorough understanding of the potential causes. "ip addr add" every time the server starts. However, it gives me this error: ssh: connect to host <ipv6 address> port 22: No route to host. g. The other is where there is no arp response for the "next hop" IP that was determined from the routing table. "No route to host". Aug 19, 2002 · Get a virtual cloud desktop with the Linux distro that you want in less than five minutes with Shells! With over 10 pre-installed distros to choose from, the worry-free installation life is here! With over 10 pre-installed distros to choose from, the worry-free installation life is here! Jul 21, 2022 · Find the IP address of the DNS server your Windows network is using. Yes it solved the issue. yml file, however that doesn't seem to have made any difference. docker run --net host image. x Since I am unable to copy / paste from the DO console, here is an image of sudo iptables -nvL INPUT Jun 29, 2016 · The route command is deprecated, and should not be used anymore. 1 dev eth0 10. 255. 04 machine. It will say either public, dmz, or something else. the client running in a different thread but fails on connect with " No route to host" Server code Aug 24, 2012 · Both the host and the VM use manual IP configuration, with the host's IP as 192. 51. – Smiling Dragon. 7. I'm fairly certain my issue was a duplicate MAC address. SSH to any server on this subnet. Then, this might happen. It will still require sudo, as you are modifying and interface. I have added following rule in route: ip route add <IP>/32 via 10. – Mohammed Rafeeq. " It is a route to the local link that was automatically added when the address was assigned to an interface. no errors were returned. 0/23 dev eth0 proto kernel scope link src 192. Kill/restart NFS on your client and server then try again. You can copy the scripts into /usr/local/bin/ if you would like them to be globally executable. Basically it was one of two things: A duplicate IP address conflict. S. Verify Execution of SSH Command. sudo ip route add 10. 255 scope global docker0 valid_lft forever preferred_lft forever vxlan. At this time, there is a chance that Errno code 113 (no router to host) will occur continuously and cause the connection to fail. . The server creating the socket, binding Successfully and listening for coming connections. You have ssh -i file root@IP2. sh eth0. See your REJECT lines? They match the description (REJECT with ICMP xxx). and this command on the other: iperf3 -c <ip-address of server>. Jan 20, 2018 · Another reason could be misconfiguration in /etc/hosts; if there is no line similar to. 128 remote_host You can see examples into the hosts file Whether you are a digital nomad or just looking for flexibility, Shells can put your Linux machine on the device that you want to use. 2. 96. hndoss. calico valid Sep 27, 2019 · I found this issue with Oracle Linux in Oracle cloud. address port 6433: No route to host. 102 port 22: No route to host I am using following command. The fix, of course, was to change the subnet on Host A to match Host B. Apr 26, 2024 · 1. However, this time I am completely stumped. Without knowing a thing about your network configuration, it's hard to say anything. One is where there is no route in the routing table. social/m/Linux Please refrain from posting help requests here, cheers. answered Sep 5, 2017 at 19:06. co. 这个错误的原因可能是连接方向错误、网络配置不正确或者是网络故障等。. ssh: connect to host public. (That is not a typo. Machine A. No route to host means that your machine can't work out how to route traffic of any kind to the other machine. file username@10. Now, you can confirm that services of OpenSSH have been activated through the terminal. firewall-cmd --permanent --add-service=ftp. Fedora is using firewalld service for port blocking/allowing. Feb 2, 2005 · This is rare to see no route to host, I'd expect timeouts instead. If the network is fine, then it's essential to verify that the SSH service is running on the Oct 15, 2015 · 1. Probably 10. 105 and scp 192. x/24, while ping is working on VM's with 10. 9 side, i get the following log: #tcpdump -i eth0 port 2181. ) The connect call succeeds, but when we try to send data, we get errno 113 aka. Share. May 5, 2018 · This question relates to runtime network stack configuration (routing table correctness), not to software development. Try using the command gpg-connect-agent --dirmngr 'keyserver --hosttable' /bye to inspect the current pool of keyservers you are using. sudo ip route show. -A IN_public_allow -p tcp -m tcp --dport 6379 -m conntrack --ctstate NEW -j ACCEPT. 2 but check with whoever manages the network. 0/16 via 10. note that "no route to host" can appear in at least two different scenarios. e. Device A and the embedded device confirm that there is no firewall setting. 3. 192. 1 dev vmnet8 Also recheck default gateway on host mashine with netstat -rn More about Linux "route" command . 254. You'll presumably discover that you cannot actually ping the keyserver you're trying to reach. 0/32 scope global vxlan. 10 port 3000: No route to host. Jan 25, 2019 · For your case, providing access should be done with: firewall-cmd --add-port=6379/tcp. 254 dev eth0. 0 sessions active, 0 requeued, 0 remaining in queue. Dec 15, 2023 · sudo chmod a+x setip. 10 22. I restarted my ssh service using. in ssh_config file but no Sep 27, 2012 · ping による疎通は確認できるのに、いざ ssh などで繋ごうとすると No route to host というエラーで即座に接続失敗し途方に暮れる場合、おそらく原因は接続先のホストの iptables によりパケットがブロックされ、到達不能を意味する ICMP パケットが返っ May 11, 2021 · docker0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state DOWN group default inet 10. If that works, make sure to disable the docker network configuration that specifies that route. 156:9200 -k curl: (7) Failed to connect to 10. 0/24. 31. 10. ml/c/linux and Kbin. 88. Mar 27, 2019 · Depending on the version of linux/unix/mac version you can found your file on /etc/hosts or /private/etc/hosts. Jan 9, 2024 · Tour Start here for a quick overview of the site Help Center Detailed answers to any questions you might have Nov 29, 2023 · It started with trying to scp some files from a remote host (A linux server) to my local machine (My laptop with Windows 11). firewall-cmd --reload. funny detail: i changed the ssh port on the firewall, and now i can connect using ssh from the box where i got the "no route to host" from. This is usually described as "Connection Refused" by your application. Oct 10, 2010 · no route to host means exactly what it says, your system doesn't know how to get to 10. I can. 89. Click here for more info. Sep 29, 2011 · Hi all, am new to linux am eable to ping 192. Anup has written professionally for over 5 years, and tinkered with PCs for much longer. 105 here am getting NO ROUTE TO HOST error Jul 21, 2011 · 2. But, the trick was also to make sure to clear the arp cache via ip -s -s neigh flush all and/or reboot the VM/Target VM/Gateway Router. 244. Jul 10, 2015 · This way you can determine whether the problem is the shell script, or the problem is with the ssh command itself. or. 21/24 brd 10. 201. Mar 14, 2022 · WAN throws the no route to host, and LAN wont work because i cant get wireguard to work . Jun 4, 2019 · Laptop IP: 192. will accept your answer. 1. sudo setip. Do you have a default gateway on the system you're connecting/telnetting from. 240. Apr 21, 2021 · I'm trying to do a speed test with iperf. It's likely that port 21 is blocked by your firewall. Jan 20, 2019 · No route to host. 168. json. 17. サーバー側の SSH ポートと合っていない場合に出力される 以下2点を疑いましょう。 サーバー側の SSH サービスのポート設定; サーバー側のファイアーウォールの許可設定で SSH のポートが上記と同じポート番号であるか Apr 28, 2015 · The address for eth0 is static, the one for eth0:0 comes from DHCP. Restarted and even recreated the instances, but the issue persists. We are connecting from Host B to Host A. Because the SYN packet wont get ACK within the timeout value. 192. listening on eth0, link-type EN10MB (Ethernet), capture size 65535 bytes. Open up a new Terminal tab and run: $ ssh user@ip. Apr 16, 2020 · it might be a dumb question but I'm stuck. 49. Backend nodes has no server available. 1. It does not get through the firewall if only port 2049 has been opened. So, at least once since the manual netplan command. 1 port 80: No route to host. Output of sudo ufw status: Status: active. this seems really odd to me, but alas! (myserver)$ ip route default via 159. There are a number of tools available at your disposal such as nc (netcat) is one of the most used tool: bash. While trying to run an haproxy server I encountered the following problem: "Server nodes / backend1 is DOWN, reason: Layer4 connection problem, info: "No route to host", check duration: 0ms, 0 active and 0 backup servers left. com port 22: No route to host. lost connection. The client gives me the following error: unable to connect to server: no route to host. But if I try to access Desktop B from my Laptop or by Desktop I get. Status: active. The command showmount -e IP_server shows all mounts that are available on server. Trying to ssh just gives me the result "no route to host". The Destination Host Unreachable from the PING, means that the ping fails (packet drop). 2. 以下是几种可能导致"No route to host”错误的原因及 Aug 29, 2022 · The address doesn't begin with fe80::, so it's not a link-local address. I have to subnets on my router 10. Network: Known - static ip. 1 dev eth1 and i can confirm that ping pings through eth1 interface: ping -I eth1 <IP> but for some reason, it looks as if iscsiadm is not using my route settings ? and traceroute Apr 2, 2020 · Currently, two commands are used to setup routing: netplan and "/sbin/ip address add". and then. port 22: Connection timed out I even tried changing ssh port no. [edit 1] Even when I try to connect directly with the IP address: openssl s_client -connect 198. If your ssh commands don't work outside from the command line, you can then simplify them and see if you can determine what the issue could be. ssh: connect to host 192. 15 appears to be the IP address associated with enp0s3. Here are the things I've tried: ping <ip> works. Jun 8, 2017 · I've managed to get it running on two different development environments but not on the production one. Try the mount using the IP address instead of server name to see if it is an issue with NFS using DNS. I was able to login as the LDAP user with the user's home directory getting mounted from the centralized server. So I was succesfully connecting 22 port (ssh), but was getting "No route to host" trying to connect other ports. ping anything on 10. Feb 23, 2021 · 7,191 16 42 50. Manual one-time command of "/etc/netplan apply" which didn't return any errors. x telnet: connect to address 10. firewall-cmd --permanent --add-port=21/tcp. There are generally two options for blocking traffic when it comes to iptables / firewalld security: DROP the packet or REJECT it. rk iv df ro fc ca cl jl sd ss