Paste P62421

tcpdump mss issue
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Authored by BBlack on May 15 2024, 6:01 PM.

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	F53361026: tcpdump mss issue
	May 15 2024, 6:01 PM

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	1715795909.311611 IP (tos 0x0, ttl 64, id 1, offset 0, flags [none], proto TCP (6), length 40)
	127.0.0.1.62926 > 198.35.26.112.443: Flags [S], cksum 0x34dc (correct), seq 1000, win 8192, length 0
	1715795909.311619 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto TCP (6), length 44)
	198.35.26.112.443 > 127.0.0.1.62926: Flags [S.], cksum 0x5fb3 (incorrect -> 0xadd3), seq 2547338447, ack 1001, win 43690, options [mss 1440], length 0
	1715795909.311624 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto TCP (6), length 40)
	127.0.0.1.62926 > 198.35.26.112.443: Flags [R], cksum 0x54d9 (correct), seq 1001, win 0, length 0
	1715795914.815579 IP (tos 0x0, ttl 64, id 1, offset 0, flags [none], proto TCP (6), length 40)
	127.0.0.1.35672 > 198.35.26.112.443: Flags [S], cksum 0x9f52 (correct), seq 1000, win 8192, length 0
	1715795914.815588 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto TCP (6), length 44)
	198.35.26.112.443 > 127.0.0.1.35672: Flags [S.], cksum 0x5fb3 (incorrect -> 0x8cbe), seq 1077686260, ack 1001, win 43690, options [mss 1440], length 0
	1715795914.815592 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto TCP (6), length 40)
	127.0.0.1.35672 > 198.35.26.112.443: Flags [R], cksum 0xbf4f (correct), seq 1001, win 0, length 0
	1715795920.331505 IP (tos 0x0, ttl 64, id 1, offset 0, flags [none], proto TCP (6), length 40)
	127.0.0.1.43270 > 198.35.26.112.443: Flags [S], cksum 0x81a4 (correct), seq 1000, win 8192, length 0
	1715795920.331513 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto TCP (6), length 44)
	198.35.26.112.443 > 127.0.0.1.43270: Flags [S.], cksum 0x5fb3 (incorrect -> 0x4ad0), seq 3052265090, ack 1001, win 43690, options [mss 1440], length 0
	1715795920.331517 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto TCP (6), length 40)
	127.0.0.1.43270 > 198.35.26.112.443: Flags [R], cksum 0xa1a1 (correct), seq 1001, win 0, length 0

Event Timeline

BBlack created this paste.May 15 2024, 6:01 PM