Home>Article>Operation and Maintenance> Telnet cannot connect tomcat port in linux
Problem:
Telnet under Windows and Tomcat under Linux cannot work.
Reason:
Firewall setting problem under Linux /etc/sysconfig/iptables
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Solution:
1. Turn off the firewall under Linux
service iptables stop
2. Add firewall access permissions for the tomcat port
vim /etc/sysconfig/iptables
Copy a development command for port 22
-A INPUT -m state --state NEW -m tcp -p tcp --dport 22 -j ACCEPT
Add it at the end and change 22 to your tomcat port number.
3. Restart the service
service iptables restart
4. Restart tomcat
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