why don't i see SYN ECN CWR

sobrien72
1 ●1 ●1 ●1

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

1 Answer

Sort by » oldest newest most voted

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

Please start posting anonymously - your entry will be published after you log in or create a new account.

1 follower

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

Seen: 1,874 times

Last updated: Nov 14 '19