| iptables-translate -A FORWARD -p tcp --tcp-flags SYN,RST SYN -j TCPMSS --clamp-mss-to-pmtu | |
| nft add rule ip filter FORWARD tcp flags & (syn|rst) == syn counter tcp option maxseg size set rt mtu | |
| iptables-translate -A FORWARD -p tcp --tcp-flags SYN,RST SYN -j TCPMSS --set-mss 90 | |
| nft add rule ip filter FORWARD tcp flags & (syn|rst) == syn counter tcp option maxseg size set 90 |