with S/SAFR blocks are fairly less. fxp0 tcpdump ------------------------ Apr 10 16:20:26.355483 rule 10/(match) [uid 0, pid 11420] block in on fxp0: 85.100.9.86.2834 > 212.154.36.10.443: [|tcp] (ttl 118, id 37642, len 40, bad cksum 0! differs by 5a67)
-------------------------------------------------------------------- with pflogd -------------------------------------------------------------------- Apr 10 16:20:26.355435 0:f:90:72:78:80 0:d0:b7:65:db:33 0800 60: 85.100.9.86.2834 > 212.154.36.10.443: F [tcp sum ok] 4233372163:4233372163(0) ack 51535243 win 63786 (DF) (ttl 118, id 37642, len 40) may it be cause from RED/ECN or scrub ?