Iptables Troubleshooting: Difference between revisions

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* [[iptables]]
* [[iptables]]
=Overview=


=ping and ssh succeed but telnet fails=
=ping and ssh succeed but telnet fails=

Revision as of 00:52, 4 April 2017

Internal

Overview

ping and ssh succeed but telnet fails

It seemed that iptables service was down, systemctl status iptables returned "inactive (dead)", but actually the iptable rules were managed by firewalld.

The problem went away after iptables -F, and was resolved for good by disabling and removing firewalld.