Ошибка 113 no route to host

I have 2 computers on the same LAN. The first PC has an ip address 192.168.178.30, the other PC has an ip address 192.168.178.26.
Ping, traceroute, telnet, ssh, everything works between the two PCs. Both PCs run the same OS — CentOS 7 and both PCs have the same python version 2.7.5 (checked with the python -V command).

I copied simple python code from a computer networking book.

client.py

from socket import *
serverName = '192.168.178.30'
serverPort = 12000
clientSocket = socket(AF_INET, SOCK_STREAM)
clientSocket.connect((serverName,serverPort))
sentence = raw_input('Input lowercase sentence: ')
clientSocket.send(sentence)
modifiedSentence = clientSocket.recv(1024)
print 'From Server:', modifiedSentence
clientSocket.close()

server.py

from socket import *
serverPort = 12000
serverSocket = socket(AF_INET,SOCK_STREAM)
serverSocket.bind(('192.168.178.30',serverPort))
serverSocket.listen(5)
print 'The server is ready to receive'
while 1:
       connectionSocket, addr = serverSocket.accept()
       sentence = connectionSocket.recv(1024)
       capitalizedSentence = sentence.upper()
       connectionSocket.send(capitalizedSentence)
       connectionSocket.close()

The code works when it is ran on the same PC (where the server is listening on localhost).
When I run the client code on one PC and the server code on the other PC I get this error on the client side.

Traceback (most recent call last):
  File "client.py", line 5, in <module>
    clientSocket.connect((serverName,serverPort))
  File "/usr/lib64/python2.7/socket.py", line 224, in meth
    return getattr(self._sock,name)(*args)
socket.error: [Errno 113] No route to host

Can someone help?

I have 2 computers on the same LAN. The first PC has an ip address 192.168.178.30, the other PC has an ip address 192.168.178.26.
Ping, traceroute, telnet, ssh, everything works between the two PCs. Both PCs run the same OS — CentOS 7 and both PCs have the same python version 2.7.5 (checked with the python -V command).

I copied simple python code from a computer networking book.

client.py

from socket import *
serverName = '192.168.178.30'
serverPort = 12000
clientSocket = socket(AF_INET, SOCK_STREAM)
clientSocket.connect((serverName,serverPort))
sentence = raw_input('Input lowercase sentence: ')
clientSocket.send(sentence)
modifiedSentence = clientSocket.recv(1024)
print 'From Server:', modifiedSentence
clientSocket.close()

server.py

from socket import *
serverPort = 12000
serverSocket = socket(AF_INET,SOCK_STREAM)
serverSocket.bind(('192.168.178.30',serverPort))
serverSocket.listen(5)
print 'The server is ready to receive'
while 1:
       connectionSocket, addr = serverSocket.accept()
       sentence = connectionSocket.recv(1024)
       capitalizedSentence = sentence.upper()
       connectionSocket.send(capitalizedSentence)
       connectionSocket.close()

The code works when it is ran on the same PC (where the server is listening on localhost).
When I run the client code on one PC and the server code on the other PC I get this error on the client side.

Traceback (most recent call last):
  File "client.py", line 5, in <module>
    clientSocket.connect((serverName,serverPort))
  File "/usr/lib64/python2.7/socket.py", line 224, in meth
    return getattr(self._sock,name)(*args)
socket.error: [Errno 113] No route to host

Can someone help?

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This guide will identify some potential causes that can prevent access to a host with operating system error code 113, and then show you some ways to fix the problem. python returns 113 “No Tracking for Host” even though a DNS name is available, but the service might not work. May be specific to passive FTP options. Run your script with this “trace” to see which system call is failing.

When trying to join a service on Linux, the “No path to host” message is one of the last things you want to hear. This is good, reliable and comprehensive news, which means your home computer cannot connect to the server regardless of whether a professional server daemon is running on your system in addition to the remote server running on your system. You cannot login for some reason. Here’s how to allow hosting connection without route error in Linux.

Why Am I Getting The “No Route To Host” Error?

There are many reasons why you will definitely get this error. Networking in Linux is a bit of a convoluted stack, cute and complex, so it’s hard to figure out where the postman is.

Host Is Down / Service Is Down

This may sound frustrating, but obviously the first thing to check is that the server you are trying to connect to is online. He may not be pis working due to maintenance or has a problem.

The service itself may have failed to start recently. If this is your website, you can ensure that support is up and running. To do this, run each of the following commands using systemd.

Invalid Port

You may be trying to connect to the wrong port. Many casual administrators prefer to frequently run targeted SSH services on different ports to ward off potential attackers.

If the server is not owned by your company, check the available documentation contacts and their support team.

For your own server, you can try using NMAP to see where you started your service.

If you think you are using a really confusing port, you can use the -p- flag to see them all. However, this will take time.

Blocking Iptables Is A Connection

You can accidentally configure iptables to block connections on this port. You will receive a specific message ifyou have configured iptables on your current server or desktop to check correctly. To see your iptables mechanics run the following command.

Your DNS Is Not Configured Correctly

If all else fails, try ping the IP address you want to search for. Your computer may not be properly connected to the latest DNS server.

If you can check the connection, but cannot connect to the domain, if you have a DNS problem, please indicate that you are shopping.

Systemd users can open systemd-resolve --status to check the DNS servers and cleaners your system is using. The interface got in the way, so be sure to check the box you really want to connect with.

In most cases, your computer will probably recognize DHCP-related DNS information. If you are using a static IP address or something is wrong with your network, you may need to set a new DNS manually.

Open /etc/systemd/resolved.conf. In this file, uncomment the DNS line and add IThe P address of your router or a well-known DNS server. The default fallback DNS server for systemd is Google’s DNS server registered with FallbackDNS .

If you are using OpenRC or a specific systemd alternative, you can find DNS information in /etc/resolv.conf.

If nothing else, navigate to your router’s IP address, or sometimes another well-known DNS server you prefer to use.

Graphical Interface

If you are using Network Manager on a graphical desktop, it is best to change your login information. Open the applet or go directly to System Preferences. Select your connection and define the “ipv4” tab. Switch the connection in the store to “Manual” and manually enter the IP address of your computer and the IP address of your router as the gateway. Then enter the IP address of your individual IP router or the IP address of another DNS server in the DNS field below.

Incorrect Network Or Host Configuration

There are actually several other configuration options that might be incorrect overall. Any of them sIt makes it impossible to connect your computer to the server.

First of all, make sure your computer has the correct network configuration. Check the system files yourself and, of course, see what other ways you can connect to the Internet.

If you use a specific hostname and connect, or if specific types are configured on the server or borrower, you need to make sure they can connect to each other. Check the configurations / etc / hosts, /etc/hosts.allow, and /etc/hosts.deny.

Finally, compare your server configuration. There might be something misconfigured on the server that is preventing clients from connecting correctly.

I hope these tips helped you solve any problems that caused the “No route to host” error. Until then, you can learn how to control your WiFi right on your Linux network, or even check if your firewall is blocking all inbound and outbound connections.

Is this article helpful?

 sudo systemctl status SERVICENAME 

 sudo nmap -sS your.server.ip 

John Perkins

John is a very young professional technician who dreams of teaching users the best ways to use their technology. He holds comprehensive certifications in a variety of topics, from computer hardware components and cybersecurity to Linux system administration.

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Opgelost: Hoe Als Je Foutcode 113 Van Het Besturingssysteem Wilt Repareren, Geen Nummer Om Te Hosten.
Исправлено: как исправить код ошибки операционной системы 113, разумеется, нет маршрута к хосту.
Résolu : Comment Corriger Le Code D’erreur 113 Du Système D’exploitation, Aucune Piste à Héberger.
Fast: Hur Man åtgärdar Operativsystemets Felkoder 113, Ingen Väg Till Värd.
Behoben: So Beheben Sie Den Betriebssystemfehler Software 113, Keine Route Zum Host.
수정됨: 시스템 오류 코드 113을 수정하는 방법, 호스트를 지원하는 경로가 없습니다.
Solucionado: Cómo Ayudarlo A Corregir El Código De Error 113 Del Sistema Operativo, Sin Posibilidad De Hospedaje.
Risolto: Come Correggere L’errore Del Sistema Operativo Codice Computer 113, Nessun Percorso Verso L’host.
Naprawiono: Jak Pozbyć Się Kodu Błędu Systemu Operacyjnego 113, Brak Trasy, Gdy Trzeba Hostować.
Corrigido: Como Corrigir O Código De Erro 113 Do Método Operacional, Sem Rota Para O Host.

In this guide, we will identify some possible causes that can cause Linux error 113 without host route, and then suggest possible solutions that you can try to resolve the issue.

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Answer: Connection refused means that the port you are trying to connect to is not even open. Either you are connecting to the wrong IP, or to the wrong port, or the server is listening very hard on the wrong port, or even one is down. Question # Step Two: What is Telnet Protocol?

www.maketecheasier.com is usedcalls the security service to protect himself. Internet attacks. This process is done hands-free. You will be redirected as soon as the protection is complete.

Link ID	IP Address	Date and Time
661b720e3a3e44c780aac88b2ea8a930	45.140.179.112	04/01/2022 20:00 UTC

Have you encountered “no route to host” when trying to access a Linux server? This connection error can be annoying, but unfortunately, you can fix it as soon as you find the cause.

“No route to host” indicates a network problem, usually the only one that occurs when a device or host is not responding. This could be due to network needs or misconfiguration.

This article explains how to troubleshoot your network.

Are Your Network Settings Correct?

Before investigating more specific causes of this problem, make sure that the network settings for each person are correct. Can people connect to the internet? properly configured DNS?

1. Let’s Let’s start with this command to find out: systemd-resolve –status
2. If you are having DNS problems, go back to updating your network configuration and this on clicking If you are using a regular network with dynamic IP, all DNS numbers should update automatically.
3. To manually configure DNS, go to Network Manager and manually enter the IP address on the IPv4 tab.
4. If your Linux distro does not have a very graphical desktop, go to “/etc/systemd/resolved.conf” if you are looking for the DNS string and therefore numbers with numbers that include any DNS that you want and do other settings if you enable it.
5. Even if you set up a very static IP address, you might want to revert to returning the IP address dynamically. Also allow your network to receive network connection information via DHCP.

Remember to restart your computer by trying the computer before reconnecting it to the host. If the customer is still valid Reads the message “No Route Host” to continue reading.

Is The Host Server On The Network?

The next step is to help you make sure the host you are trying to connect to is indeed online. Finally, one of the most common new causes of failure is a service not being used due to maintenance results or, alternatively, due to some other problem.

If the service is simply not online, make sure it is almost certainly a host. Sometimes it can happen that the service that was supposed to start stopped or was not started, even if there is no error on the server itself.

1. Use the systemd command: sudo systemctl track record servicename

If serving is your race, there are many more reasons to look.

Are You Connecting To The Correct Port?

Check out any documentation the host can provide. Manager servers typically block unused ports directly to improve server security. Attackers often use standard ports for targeted Linux services.

Then when you want to try sub By connecting to your own server, you can trace the service back to the recovery port. To do this, you will need to install a security tool that will probably help you see open views – NMAP.ind

Here are the commands for investing in NMAP for different Linux distributions:

After placing NMAP, verify that the boot ports are displayed with the following command: sudo nmap -sS target-server-ip

If you do not have direct access to the server, you will need to contact the host. But before you do that, take a look at some additional possible causes of the No Route to Host error in Linux.

Is The Hostname Really Correct?

You may also find a “No route to host” error if your computer and the devices you are trying to connect to others are using hostnames. Both devices must be configured to connect and one the other.

In addition to the usual host configuration, you want to use .deny and hosts.allow formats in “/ etc” formats. If you are having trouble connecting to your new computer, make sure the hostname of the server is correct.

Is The Connection BlockingAny Iptables?

iptables is very useful when you want to tweak the Linux kernel firewall tables. It’s great to have complete control over your inbound and outbound traffic.

But due to a quick configuration error, iptables can block any connection to the port you want to connect to and cause a “No route to host” error.

1. First, print a list of these connections and iptables by typing sudo iptables -L and pressing Enter.
2. To check if iptables is at fault, run the following command: sudo iptables -S. This will let you know if the iptables rules you have set are blocking the connection. You may need to add an admission rule to INPUT
3. To find in any good external firewall firewall rules, you can use the following command: sudo -F iptables

Final Thoughts

As you can see, the above steps can help you deal with the “No route to host” error. While this looks like a complex issue, it is often the result of conflicting configurations or general network problems.

Have you come across any other possible reasons and ways to fix errors? Write us a comment and tell us about it.

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Oshibka Linux 113 Net Marshruta K Hostu
Linux Fehler 113 Keine Route Zum Host
Erro 113 Do Linux Sem Rota Para O Host
Erreur Linux 113 Pas De Route Vers L Hote
Linux Fel 113 Ingen Vag Till Vard
Linux 오류 113 호스트에 대한 경로가 없습니다
Errore Linux 113 Nessuna Rotta Per L Host
Linux Error 113 Geen Route Naar Host
Error De Linux 113 Sin Ruta Al Host
Blad Linux 113 Brak Trasy Do Hosta