2015-03-05
Am I part of an interesting attack?
Noticable traffic:13:06:15.787470 IP (tos 0x0, ttl 110, id 27178, offset 0, flags [DF], proto TCP (6), length 52) 148.251.47.107.80 > xx.xx.xx.xx.53: S, cksum 0x48c7 (correct), 2310054019:2310054019(0) win 8192 <mss 1460,nop,wscale 8,nop,nop,sackOK> 13:06:16.188187 IP (tos 0x0, ttl 92, id 14152, offset 0, flags [DF], proto TCP (6), length 52) 148.251.47.107.80 > xx.xx.xx.xx.53: S, cksum 0x2c3a (correct), 1627317698:1627317698(0) win 8192 <mss 1460,nop,wscale 8,nop,nop,sackOK> 13:06:16.588698 IP (tos 0x0, ttl 96, id 64188, offset 0, flags [DF], proto TCP (6), length 52) 148.251.47.107.80 > xx.xx.xx.xx.53: S, cksum 0x6e9f (correct), 249296256:249296256(0) win 8192 <mss 1460,nop,wscale 8,nop,nop,sackOK> 13:06:16.989469 IP (tos 0x0, ttl 97, id 54770, offset 0, flags [DF], proto TCP (6), length 52) 148.251.47.107.80 > xx.xx.xx.xx.53: S, cksum 0xa3fc (correct), 3532061815:3532061815(0) win 8192 <mss 1460,nop,wscale 8,nop,nop,sackOK> 13:06:17.390192 IP (tos 0x0, ttl 92, id 5400, offset 0, flags [DF], proto TCP (6), length 52) 148.251.47.107.80 > xx.xx.xx.xx.53: S, cksum 0xaae9 (correct), 1786797457:1786797457(0) win 8192 <mss 1460,nop,wscale 8,nop,nop,sackOK> 13:06:17.792734 IP (tos 0x0, ttl 81, id 42621, offset 0, flags [DF], proto TCP (6), length 52) 148.251.47.107.80 > xx.xx.xx.xx.53: S, cksum 0x925d (correct), 3619031271:3619031271(0) win 8192 <mss 1460,nop,wscale 8,nop,nop,sackOK> 13:06:18.193910 IP (tos 0x0, ttl 81, id 6384, offset 0, flags [DF], proto TCP (6), length 52) 148.251.47.107.80 > xx.xx.xx.xx.53: S, cksum 0x5712 (correct), 841083335:841083335(0) win 8192 <mss 1460,nop,wscale 8,nop,nop,sackOK>The variation in ttl values suggests a distributed denial of service attack trying to make me part of it.