rodarima/jungle

Firewall spam from ssfhead node SLURM

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rodarima commented

This is filling dmesg:

[2204509.042046] refused connection: IN=eno1 OUT= MAC=a4:bf:01:19:85:b3:a4:bf:01:0d:45:fc:08:00 SRC=10.0.40.30 DST=10.0.40.7 LEN=60 TOS=0x00 PREC=0x00 TTL=64 ID=39342 DF PROTO=TCP SPT=40702 DPT=6818 WINDOW=29200 RES=0x00 SYN URGP=0
[2204608.155021] refused connection: IN=eno1 OUT= MAC=a4:bf:01:19:85:b3:a4:bf:01:0d:45:fc:08:00 SRC=10.0.40.30 DST=10.0.40.7 LEN=60 TOS=0x00 PREC=0x00 TTL=64 ID=16902 DF PROTO=TCP SPT=40796 DPT=6818 WINDOW=29200 RES=0x00 SYN URGP=0
[2204609.154574] refused connection: IN=eno1 OUT= MAC=a4:bf:01:19:85:b3:a4:bf:01:0d:45:fc:08:00 SRC=10.0.40.30 DST=10.0.40.7 LEN=60 TOS=0x00 PREC=0x00 TTL=64 ID=16903 DF PROTO=TCP SPT=40796 DPT=6818 WINDOW=29200 RES=0x00 SYN URGP=0

We may simply drop the packets without leaving a log.