Hi, I have the same problem. I do not use any iptables rules on this machine. In wireshark, I can see netselect sending out ICMP replies instead of ICMP requests, which – I think – is wrong:
$ netselect -I -vv ftp.ie.debian.org Running netselect to choose 1 out of 1 address. ftp.ie.debian.org 9999 ms 30 hops 0% ok Did not found any valid hosts (you requested 1) $ sudo tcpdump -i eth0 -v -n icmp tcpdump: listening on eth0, link-type EN10MB (Ethernet), capture size 65535 bytes 20:35:12.127013 IP (tos 0x0, ttl 15, id 50257, offset 0, flags [none], proto ICMP (1), length 80) 87.198.27.232 > 193.1.193.65: ICMP echo reply, id 2048, seq 25406, length 60 (wrong icmp cksum 0 (->8078)!) 20:35:15.133617 IP (tos 0x0, ttl 15, id 50258, offset 0, flags [none], proto ICMP (1), length 80) 87.198.27.232 > 193.1.193.65: ICMP echo reply, id 2048, seq 39971, length 60 (wrong icmp cksum 0 (->8078)!) 20:35:18.140396 IP (tos 0x0, ttl 15, id 50259, offset 0, flags [none], proto ICMP (1), length 80) 87.198.27.232 > 193.1.193.65: ICMP echo reply, id 2048, seq 7432, length 60 (wrong icmp cksum 0 (->8078)!) 20:35:21.197906 IP (tos 0x0, ttl 23, id 50260, offset 0, flags [none], proto ICMP (1), length 80) 87.198.27.232 > 193.1.193.65: ICMP echo reply, id 2048, seq 29214, length 60 (wrong icmp cksum 0 (->8078)!) 20:35:24.204390 IP (tos 0x0, ttl 23, id 50261, offset 0, flags [none], proto ICMP (1), length 80) 87.198.27.232 > 193.1.193.65: ICMP echo reply, id 2048, seq 6404, length 60 (wrong icmp cksum 0 (->8078)!) 20:35:27.210897 IP (tos 0x0, ttl 23, id 50262, offset 0, flags [none], proto ICMP (1), length 80) 87.198.27.232 > 193.1.193.65: ICMP echo reply, id 2048, seq 43497, length 60 (wrong icmp cksum 0 (->8078)!) 20:35:30.268425 IP (tos 0x0, ttl 27, id 50263, offset 0, flags [none], proto ICMP (1), length 80) 87.198.27.232 > 193.1.193.65: ICMP echo reply, id 2048, seq 60419, length 60 (wrong icmp cksum 0 (->8078)!) 20:35:33.274947 IP (tos 0x0, ttl 27, id 50264, offset 0, flags [none], proto ICMP (1), length 80) 87.198.27.232 > 193.1.193.65: ICMP echo reply, id 2048, seq 28393, length 60 (wrong icmp cksum 0 (->8078)!) 20:35:36.281418 IP (tos 0x0, ttl 27, id 50265, offset 0, flags [none], proto ICMP (1), length 80) 87.198.27.232 > 193.1.193.65: ICMP echo reply, id 2048, seq 9679, length 60 (wrong icmp cksum 0 (->8078)!) 20:35:39.339006 IP (tos 0x0, ttl 29, id 50266, offset 0, flags [none], proto ICMP (1), length 80) 87.198.27.232 > 193.1.193.65: ICMP echo reply, id 2048, seq 10731, length 60 (wrong icmp cksum 0 (->8078)!) ^C 10 packets captured 10 packets received by filter 0 packets dropped by kernel (87.198.27.232 is my external IP address at the moment) $ ping -c 5 ftp.ie.debian.org PING debian.heanet.ie (193.1.193.65) 56(84) bytes of data. 64 bytes from debian.heanet.ie (193.1.193.65): icmp_req=1 ttl=57 time=41.3 ms 64 bytes from debian.heanet.ie (193.1.193.65): icmp_req=2 ttl=57 time=42.9 ms 64 bytes from debian.heanet.ie (193.1.193.65): icmp_req=3 ttl=57 time=41.7 ms 64 bytes from debian.heanet.ie (193.1.193.65): icmp_req=4 ttl=57 time=44.5 ms 64 bytes from debian.heanet.ie (193.1.193.65): icmp_req=5 ttl=57 time=43.4 ms --- debian.heanet.ie ping statistics --- 5 packets transmitted, 5 received, 0% packet loss, time 4005ms rtt min/avg/max/mdev = 41.395/42.827/44.569/1.156 ms Thanks for investigating, Best regards, Michael -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org
