why don't i see SYN ECN CWR

sobrien72
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i see SYN ECN CWR from Corporate Firewall capture but not remote Firewall. Why is that?

1 Answer

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Hi,

TCP SYN segment with Explicit Congestion Notification (ECN) in IP header can be dropped or have that feature removed by some firewall.

You can try capturing "before" and "after" the firewall to see if that's the case here.

Cheers,

Spooky

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Asked: 2019-11-14 16:44:44 +0000

Seen: 2,045 times

Last updated: Nov 14 '19