Gentoo Archives: gentoo-user

From: Adam Carter <adamcarter3@×××××.com>
To: gentoo-user@l.g.o
Subject: [gentoo-user] Cant connect to local webserver - ICMP admin prohibited
Date: Thu, 22 Sep 2011 11:40:36
Message-Id: CAC=wYCH2YZwN-JE9Qk0eG3-MgNtisoCsGVOz+UgDLh4Bd7wcyA@mail.gmail.com
1 # netstat -antp | grep apach
2 tcp 0 0 192.168.1.250:80 0.0.0.0:*
3 LISTEN 25577/apache2
4
5 # tcpdump -n -i eth0 host 192.168.1.6 and port not 22
6 tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
7 listening on eth0, link-type EN10MB (Ethernet), capture size 96 bytes
8 21:10:57.011994 IP 192.168.1.6.46161 > 192.168.1.250.80: S
9 4279617058:4279617058(0) win 14600 <mss 1460,sackOK,timestamp 7007662
10 0,nop,wscale 6>
11 21:10:57.037227 IP 192.168.1.250 > 192.168.1.6: ICMP host
12 192.168.1.250 unreachable - admin prohibited filter, length 36
13 21:11:06.157052 IP 192.168.1.6.46162 > 192.168.1.250.80: S
14 3082744432:3082744432(0) win 14600 <mss 1460,sackOK,timestamp 7016807
15 0,nop,wscale 6>
16 21:11:06.182781 IP 192.168.1.250 > 192.168.1.6: ICMP host
17 192.168.1.250 unreachable - admin prohibited filter, length 36
18
19 ssh works. Connection from the same client to a third gentoo box
20 running a webserver works.
21
22 Anyone seen this behavior? There's no iptables, the hosts are gentoo
23 and on the same subnet. I've only seen admin prohibited ICMP from
24 filtering by cisco ACLs - what could be the problem?

Replies

Subject Author
Re: [gentoo-user] Cant connect to local webserver - ICMP admin prohibited Jonas de Buhr <jonas.de.buhr@×××.net>
Re: [gentoo-user] Cant connect to local webserver - ICMP admin prohibited Richard Gration <richgration@×××××.com>
[gentoo-user] Re: Cant connect to local webserver - ICMP admin prohibited James <wireless@×××××××××××.com>