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Old 02-24-2005, 09:13 AM   #1
richyankee2005
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Registered: Feb 2005
Distribution: enterprise v3
Posts: 2

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icmp - host adminstratively prohibited?


I have vsftpd working in standalone mode (it is installed as a service but not under xinetd).
(The o/s is redhat ent. version 3 ws)

The server works for local users. No connections from other hosts on the network (ping works all around) are accepted.

The packets sent back in response to the connection requests are ICMP host unreachable:
code 10: host administratively prohibited.

I am a newbie so exploring the chapters on tcp_wrappers was interesting but didn't prove helpful.

I also tried starting a telnet daemon to see if the results were the same. That confirms that the host is not allowiing connections, but I still don't know why.

Any help is appreciated.

Rich L.
 
Old 02-24-2005, 09:27 AM   #2
richyankee2005
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Registered: Feb 2005
Distribution: enterprise v3
Posts: 2

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I just discovered this line in a file called iptables (/etc/sysconfig/iptables)

-A RH-Firewall-1-INPUT -j REJECT --reject-with icmp-host-prohibited

I am not sure what the syntax actually means in this context but it looks to me like the firewall is set to reject everybody at all times.
 
  


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