On 26 September 2021 10:59 Geert Stappers, wrote: (knip!)
> telnet -4 salsa.debian.org 2309 ik doe op de client telnet 6 salsa.debian.org 2309 dan toon de server tcpdump -ni any port 2309 tcpdump: data link type LINUX_SLL2 tcpdump: verbose output suppressed, use -v[v]... for full protocol decode listening on any, link-type LINUX_SLL2 (Linux cooked v2), snapshot length 262144 bytes 15:18:28.147092 wg0 In IP6 fd42:42:42::2.33414 > 2607:f8f0:614:1::1274:44.2309: Flags [S], seq 4140354248, win 65280, options [mss 1360,sackOK,TS val 1089390879 ecr 0,nop,wscale 7], length 0 15:18:28.147116 eth0 Out IP6 fd42:42:42::2.33414 > 2607:f8f0:614:1::1274:44.2309: Flags [S], seq 4140354248, win 65280, options [mss 1360,sackOK,TS val 1089390879 ecr 0,nop,wscale 7], length 0 15:18:29.166704 wg0 In IP6 fd42:42:42::2.33414 > 2607:f8f0:614:1::1274:44.2309: Flags [S], seq 4140354248, win 65280, options [mss 1360,sackOK,TS val 1089391898 ecr 0,nop,wscale 7], length 0 15:18:29.166719 eth0 Out IP6 fd42:42:42::2.33414 > 2607:f8f0:614:1::1274:44.2309: Flags [S], seq 4140354248, win 65280, options [mss 1360,sackOK,TS val 1089391898 ecr 0,nop,wscale 7], length 0 15:18:31.182594 wg0 In IP6 fd42:42:42::2.33414 > 2607:f8f0:614:1::1274:44.2309: Flags [S], seq 4140354248, win 65280, options [mss 1360,sackOK,TS val 1089393914 ecr 0,nop,wscale 7], length 0 15:18:31.182612 eth0 Out IP6 fd42:42:42::2.33414 > 2607:f8f0:614:1::1274:44.2309: Flags [S], seq 4140354248, win 65280, options [mss 1360,sackOK,TS val 1089393914 ecr 0,nop,wscale 7], length 0 15:18:35.278501 wg0 In IP6 fd42:42:42::2.33414 > 2607:f8f0:614:1::1274:44.2309: Flags [S], seq 4140354248, win 65280, options [mss 1360,sackOK,TS val 1089398010 ecr 0,nop,wscale 7], length 0 15:18:35.278521 eth0 Out IP6 fd42:42:42::2.33414 > 2607:f8f0:614:1::1274:44.2309: Flags [S], seq 4140354248, win 65280, options [mss 1360,sackOK,TS val 1089398010 ecr 0,nop,wscale 7], length 0