tsx-11.mit.edu

Richard B. Johnson (root@chaos.analogic.com)
Wed, 6 Jan 1999 11:05:38 -0500 (EST)

It seems that Linux 2.1.131 can ftp to local hosts, but can't ftp
to tsx-11.mit.edu. It can also ftp to sunsite.unc.edu so I don't think
it's a firewall problem.

Here is a tcpdump during an attempt to connect to tsx-11.mit.edu

10:57:24.319484 chaos.analogic.com.1089 > bombserver.analogic.com.domain: 24161+ (36)
10:57:24.319898 bombserver.analogic.com.domain > chaos.analogic.com.1089: 24161* 1/1/1 (105)
10:57:24.322902 chaos.analogic.com.1089 > bombserver.analogic.com.domain: 24162+ (45)
10:57:24.323383 bombserver.analogic.com.domain > chaos.analogic.com.1089: 24162* 1/1/1 (143)
10:57:24.323895 chaos.analogic.com.1089 > bombserver.analogic.com.domain: 24163+ (45)
10:57:24.324326 bombserver.analogic.com.domain > chaos.analogic.com.1089: 24163* 1/1/1 (138)
10:57:29.310029 arp who-has bombserver.analogic.com tell chaos.analogic.com
10:57:29.310183 arp reply bombserver.analogic.com is-at 0:10:4b:2f:f8:40
10:57:29.548446 chaos.analogic.com.1089 > bombserver.analogic.com.domain: 56490+ (32)
10:57:29.548902 bombserver.analogic.com.domain > chaos.analogic.com.1089: 56490 1/3/3 (164)
10:57:29.549267 chaos.analogic.com.1239 > TSX-11.MIT.EDU.ftp: S 70908458:70908458(0) win 32120 <mss 1460,sackOK,timestamp 6543044 0,nop,wscale 0> (DF)
10:57:29.549544 chaos.analogic.com.1089 > bombserver.analogic.com.domain: 24164+ (41)
10:57:29.540035 bombserver.analogic.com.domain > chaos.analogic.com.1089: 24164 1/3/3 (193)
10:57:29.557183 TSX-11.MIT.EDU.ftp > chaos.analogic.com.1239: S 1183296000:1183296000(0) ack 70908459 win 33232 <mss 536,nop,wscale 0>
10:57:29.557240 chaos.analogic.com.1239 > TSX-11.MIT.EDU.ftp: . ack 1 win 32120 (DF)
10:57:34.540696 arp who-has chaos.analogic.com tell bombserver.analogic.com
10:57:34.540727 arp reply chaos.analogic.com is-at 0:10:4b:2f:f8:21
10:57:40.391757 chaos.analogic.com > cisco.analogic.com: icmp: echo request
10:57:40.394403 cisco.analogic.com > chaos.analogic.com: icmp: echo reply
10:57:40.405499 chaos.analogic.com.1089 > bombserver.analogic.com.domain: 24165+ (43)
10:57:40.405965 bombserver.analogic.com.domain > chaos.analogic.com.1089: 24165* 1/1/1 (136)
10:57:54.563535 chaos.analogic.com.1239 > TSX-11.MIT.EDU.ftp: F 1:1(0) ack 1 win 32696 (DF) [tos 0x10]
10:57:54.570089 TSX-11.MIT.EDU.ftp > chaos.analogic.com.1239: . ack 2 win 33232 [tos 0x10]

At the user-level, It says 'Connected to tsx-11.mit.edu' then does
nothing.

Cheers,
Dick Johnson
***** FILE SYSTEM WAS MODIFIED *****
Penguin : Linux version 2.1.131 on an i686 machine (400.59 BogoMips).
Warning : It's hard to remain at the trailing edge of technology.
Wisdom : It's not a Y2K problem. It's a Y2Day problem.

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