[Bug 917] ssh_exchange_identification: Connection closed by remote host

[bugzilla-daemon at mindrot.org]

http://bugzilla.mindrot.org/show_bug.cgi?id=917





------- Additional Comments From henry.herold at comcast.net  2004-08-22 09:48 -------
thanks for the effort. a lot of info i never knew i could look at. appended
below are the outputs to my lsof, iptables -nat, tcpdump (tcpdump is from my
host to a computer i no longer have an account on. i got the same
ssh_exchange_identification error where it didn't prompt me for a password):

[root at pcp01417125pcs alsa]# lsof -i :22
COMMAND  PID USER   FD   TYPE DEVICE SIZE NODE NAME
sshd    4791 root    3u  IPv4   4452       TCP
pcp01417125pcs.umrion01.pa.comcast.net:ssh (LISTEN)

[root at pcp01417125pcs alsa]# iptables -t nat -L
Chain PREROUTING (policy ACCEPT)
target     prot opt source               destination
 
Chain POSTROUTING (policy ACCEPT)
target     prot opt source               destination
 
Chain OUTPUT (policy ACCEPT)
target     prot opt source               destination

tcpdump: listening on eth0
19:41:59.514613 pcp01417125pcs.umrion01.pa.comcast.net.35481 >
snowhite.cis.temple.edu.ssh: S 3155502819:3155502819(0) win 5840 <mss
1460,sackOK,timestamp 1364052 0,nop,wscale 0> (DF)
19:41:59.527604 snowhite.cis.temple.edu.ssh >
pcp01417125pcs.umrion01.pa.comcast.net.35481: S 1414673544:1414673544(0) ack
3155502820 win 33580 <mss 1460,nop,wscale 0> (DF)
19:41:59.527669 pcp01417125pcs.umrion01.pa.comcast.net.35481 >
snowhite.cis.temple.edu.ssh: . ack 1 win 5840 (DF)
19:42:04.854215 snowhite.cis.temple.edu.ssh >
pcp01417125pcs.umrion01.pa.comcast.net.35481: F 1:1(0) ack 1 win 33580 (DF)
19:42:04.854502 pcp01417125pcs.umrion01.pa.comcast.net.35481 >
snowhite.cis.temple.edu.ssh: F 1:1(0) ack 2 win 5840 (DF)
19:42:04.864586 snowhite.cis.temple.edu.ssh >
pcp01417125pcs.umrion01.pa.comcast.net.35481: . ack 2 win 33580 (DF)
 
6 packets received by filter
0 packets dropped by kernel



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