Topic: Why does wiki.openwrt.org not respect MSS field in TCP handshake
I use VPN to access wiki.openwrt.org, therefore I have reduced MTU (significant less than 1460). However, it seems the wiki website server doesn't respect the MSS announced in the SYN packet when establishing a TCP connection. The server will keep sending me packets with size beyond my MTU and the packet never arrive at my computer.
I use MSS 1300, and every time when I access wiki.openwrt.org, it takes me a long time for the page to load (I ran tcpdump once, and loading one page took > 1000 packets of communication).
Can anyone in charge please fix the mis-behavior of website server.
below is a screenshot of problem,
imgur.com/xNIA6B2 (sorry but somehow I can't post links)
As you can see, my computer specifically said to use MSS 1300, while the server still sent packets with 1460 TCP length to me (you can infer that from the seq # of the next packet received).