Hello! > 12:41:27.997216 eth0 < 217.111.11.28.53656 > 10.10.2.10.www: S > 1550641618:1550641618(0) win 5840 <mss 1460,sackOK,timestamp 646924298 > 0,nop,wscale 0> (DF) > > 12:41:27.997243 eth0 > 10.10.2.10.www > 217.111.11.28.53656: . > 281850:281850(0) ack 124 win 32120 <nop,nop,timestamp 88850 648121803> > (DF) You have an old half-open connection, existing only at 10.10.2.10. > 12:41:27.998085 eth0 < 217.111.11.28.53656 > 10.10.2.10.www: R > 1438731713:1438731713(0) win 0 (DF) ... > What could be the problem? There is no problem. You see standard recovery of half-open connection, see rfc792, page 34. Alexey - : send the line "unsubscribe linux-net" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html