help with ssh login problem

Alan A alan.zg at gmail.com
Tue May 26 13:06:41 UTC 2009


Try
ssh -v 211.66.80.167

Let us know what the output is.

On Tue, May 26, 2009 at 7:54 AM, Tech W. <techwww at yahoo.com.cn> wrote:

>
> Hello,
>
> In the last days I can ssh from 219.136.252.59 to 211.66.80.167 without any
> problem.
> But this afternoon I couldn't login it any more.
>
> I run this tcpdump command on 219.136.252.59:
>
> tcpdump host 211.66.80.167 -s0 -v
>
>
> and open another shell to login to 211.66.80.167:
>
> ssh 211.66.80.167
> (the result is: ssh command was staying there,no any output.)
>
>
> These are tcpdump's output:
>
> 20:43:33.237538 IP (tos 0x0, ttl 64, id 50635, offset 0, flags [DF], proto
> TCP (6), length 60) 219.136.252.59.49163 > 211.66.80.167.ssh: S, cksum
> 0xba14 (correct), 3038612078:3038612078(0) win 5840 <mss
> 1460,sackOK,timestamp 739921829 0,nop,wscale 7>
> 20:43:33.257690 IP (tos 0x0, ttl 52, id 0, offset 0, flags [DF], proto TCP
> (6), length 60) 211.66.80.167.ssh > 219.136.252.59.49163: S, cksum 0x2059
> (correct), 1588559619:1588559619(0) ack 3038612079 win 5792 <mss
> 1460,sackOK,timestamp 3849197 739921829,nop,wscale 7>
> 20:43:33.257700 IP (tos 0x0, ttl 64, id 50636, offset 0, flags [DF], proto
> TCP (6), length 52) 219.136.252.59.49163 > 211.66.80.167.ssh: ., cksum
> 0x6592 (correct), ack 1 win 46 <nop,nop,timestamp 739921834 3849197>
> 20:43:33.282677 IP (tos 0x0, ttl 52, id 50422, offset 0, flags [DF], proto
> TCP (6), length 72) 211.66.80.167.ssh > 219.136.252.59.49163: P, cksum
> 0xb1c9 (correct), 1:21(20) ack 1 win 46 <nop,nop,timestamp 3849204
> 739921834>
> 20:43:33.282689 IP (tos 0x0, ttl 64, id 50637, offset 0, flags [DF], proto
> TCP (6), length 52) 219.136.252.59.49163 > 211.66.80.167.ssh: ., cksum
> 0x6571 (correct), ack 21 win 46 <nop,nop,timestamp 739921840 3849204>
> 20:43:33.282756 IP (tos 0x0, ttl 64, id 50638, offset 0, flags [DF], proto
> TCP (6), length 72) 219.136.252.59.49163 > 211.66.80.167.ssh: P, cksum
> 0xfbe8 (incorrect (-> 0xb1af), 1:21(20) ack 21 win 46 <nop,nop,timestamp
> 739921840 3849204>
> 20:43:33.303665 IP (tos 0x0, ttl 52, id 50423, offset 0, flags [DF], proto
> TCP (6), length 52) 211.66.80.167.ssh > 219.136.252.59.49163: ., cksum
> 0x6558 (correct), ack 21 win 46 <nop,nop,timestamp 3849209 739921840>
> 20:43:33.303671 IP (tos 0x0, ttl 64, id 50639, offset 0, flags [DF], proto
> TCP (6), length 844) 219.136.252.59.49163 > 211.66.80.167.ssh: P, cksum
> 0xfeec (incorrect (-> 0x1c1b), 21:813(792) ack 21 win 46 <nop,nop,timestamp
> 739921845 3849209>
> 20:43:33.362633 IP (tos 0x0, ttl 52, id 50425, offset 0, flags [DF], proto
> TCP (6), length 52) 211.66.80.167.ssh > 219.136.252.59.49163: ., cksum
> 0x5f10 (correct), ack 813 win 58 <nop,nop,timestamp 3849224 739921845>
>
>
> As you see, there are two incorrect checksum.
> So, what wrong with 211.66.80.167? How can I resolve it?
> Thanks a lot in advance.
>
>
> Regards.
>
>
>      Need a Holiday? Win a $10,000 Holiday of your choice. Enter now.
> http://us.lrd.yahoo.com/_ylc=X3oDMTJxN2x2ZmNpBF9zAzIwMjM2MTY2MTMEdG1fZG1lY2gDVGV4dCBMaW5rBHRtX2xuawNVMTEwMzk3NwR0bV9uZXQDWWFob28hBHRtX3BvcwN0YWdsaW5lBHRtX3BwdHkDYXVueg--/SIG=14600t3ni/**http%3A//au.rd.yahoo.com/mail/tagline/creativeholidays/*http%3A//au.docs.yahoo.com/homepageset/%3Fp1=other%26p2=au%26p3=mailtagline
>
> --
> redhat-list mailing list
> unsubscribe mailto:redhat-list-request at redhat.com?subject=unsubscribe
> https://www.redhat.com/mailman/listinfo/redhat-list
>



-- 
Alan A.



More information about the redhat-list mailing list