search for: mangle_mark

...''t know if this is all I need. The u32 was checking for packetsize too. So if there is a eqivalent to the u32 ACK-filterrule, what would it look like? What I have found in the ML is this: ---- # Set ACK as prioritized traffic (ACK''s are less than 100 bytes) $IPTABLES -t mangle -A MANGLE_MARK -p tcp -m length --length :100 -j MARK --set-mark 1 $IPTABLES -t mangle -A MANGLE_MARK -p tcp -m length --length :100 -j RETURN ---- Wouldn''t that apply on a lot more packets than only the ACK ones? What is the exact specification of an ACK-packet? - With IPchains it was possible to mark...