Which cvsup server?

John Murphy john at T-F-I.freeserve.co.uk
Wed Jan 17 15:54:38 GMT 2001


Brian Somers wrote:

>cvsup2.uk.FreeBSD.org never heard of you :-/

Strange.  Thanks for checking though.

>You probably need
>   set filter in  7 permit tcp src eq 5998
>   set filter in  8 permit tcp src eq 5999
>   set filter out 7 permit tcp dst eq 5998
>   set filter out 8 permit tcp dst eq 5999

Ok, changed to exactly those and removed the -P m option.

I've tried again with tcpdump running via 3 ISPs:

tcpdump: listening on tun0 (My preferred ISP)
13:30:40.623688 195.110.170.155.1027 > 195.110.160.1.53:  59801+ A? =
cvsup2.uk.FreeBSD.org. (39)
13:30:40.813411 195.110.160.1.53 > 195.110.170.155.1027:  59801 2/3/3 =
CNAME storm.freebs (203)
13:30:40.814281 195.110.170.155.1027 > 194.242.139.170.5999: S =
113794168:113794168(0) win 16384 <mss 1560> (DF)
13:30:43.813189 195.110.170.155.1027 > 194.242.139.170.5999: S =
113794168:113794168(0) win 16384 <mss 1560> (DF)
13:30:49.813267 195.110.170.155.1027 > 194.242.139.170.5999: S =
113794168:113794168(0) win 16384 <mss 1560> (DF)
13:31:01.813449 195.110.170.155.1027 > 194.242.139.170.5999: S =
113794168:113794168(0) win 16384 <mss 1560> (DF)
13:31:25.813824 195.110.170.155.1027 > 194.242.139.170.5999: S =
113794168:113794168(0) win 16384 <mss 1560> (DF)

tcpdump: listening on tun0 (WorldOnline)
13:55:24.618274 62.64.182.214.1031 > 195.110.160.1.53:  65215+ A? =
cvsup2.uk.FreeBSD.org. (39)
13:55:24.775868 195.110.160.1.53 > 62.64.182.214.1031:  65215 2/3/3 CNAME=
 storm.freebs (203)
13:55:24.776741 62.64.182.214.1033 > 194.242.139.170.5999: S =
396520952:396520952(0) win 16384 <mss 1460> (DF)
13:55:27.775575 62.64.182.214.1033 > 194.242.139.170.5999: S =
396520952:396520952(0) win 16384 <mss 1460> (DF)
13:55:33.775657 62.64.182.214.1033 > 194.242.139.170.5999: S =
396520952:396520952(0) win 16384 <mss 1460> (DF)
13:55:45.775838 62.64.182.214.1033 > 194.242.139.170.5999: S =
396520952:396520952(0) win 16384 <mss 1460> (DF)

tcpdump: listening on tun0 (Freeserve)
14:02:59.416289 62.136.16.135.1032 > 195.110.160.1.53:  57911+ A? =
cvsup2.uk.FreeBSD.org. (39)
14:02:59.602708 195.110.160.1.53 > 62.136.16.135.1032:  57911 2/3/3 CNAME=
 storm.freebs (203)
14:02:59.603600 62.136.16.135.1034 > 194.242.139.170.5999: S =
483549658:483549658(0) win 16384 <mss 1460> (DF)
14:03:02.602433 62.136.16.135.1034 > 194.242.139.170.5999: S =
483549658:483549658(0) win 16384 <mss 1460> (DF)
14:03:08.602522 62.136.16.135.1034 > 194.242.139.170.5999: S =
483549658:483549658(0) win 16384 <mss 1460> (DF)
14:03:20.602697 62.136.16.135.1034 > 194.242.139.170.5999: S =
483549658:483549658(0) win 16384 <mss 1460> (DF)

Which just proves (to me) that packets go out, but nothing comes back :(

Anything else I could try?

John.




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