Category Archives: Linux

How to show mac addresses in TCPdump

Just a quick tip on how to display MAC addresses in the TCPdump utility. Simply use the “-e” switch. tcpdump -i INTERFACENAME -e Without the -e switch: [CheckPoint]# tcpdump -i bond2.100 -n 12:28:42.257902 IP > . ack 1831 win 513 12:28:42.258620 IP > P 1:286(285) ack 1831 win 513 With the […]

Read-Only file system Check Point / Linux

You may experience issues like a Check Point installation not being responsive (processes not started, etc.) and your dmesg, messages, $FWDIR/log/fwd.elg and fwm.elg may be filled with all sorts of error messages indicating the lack of files or not being able to create files. In general it behaves in such a way you’ll think “I […]