Upgrade from v4.1 to v4.2 Remount the disk read/write (remount w). Make sure to rename or backup files that you have made changes to (rc.local or similar) and is included in this upgrade. Copy the patch to /tmp and in the /tmp directory do: tar Uzxpf /tmp/patch.41-42.tar.gz Adjust config files, restart daemons and remount the disk read-only (remount r). - - - - - - - - - - - - - - - - - - - - - - - - - - - Added or changed files (included in the tar file): -rw-r--r-- 1 root root 5 Mar 9 08:32 ./etc/.version -rw------- 1 root root 572 Feb 6 11:06 ./etc/bgpd.conf -rw------- 1 root root 3745 Mar 9 08:40 ./etc/docs/dsniff.txt -rw------- 1 root root 182 Feb 6 11:06 ./etc/ospfd.conf -r-x------ 1 root root 714 Mar 16 10:47 ./etc/rc.d/rc.routing* -r-x------ 1 root root 474 Mar 9 11:12 ./etc/rc.d/rc.snort* -rw------- 1 root root 63774 Mar 9 11:19 ./etc/snort/vision.conf -rw------- 1 root root 67 Feb 6 11:05 ./etc/vtysh.conf -rw------- 1 root root 375 Feb 6 11:06 ./etc/zebra.conf -rw------- 1 root root 930 Mar 16 13:15 ./etc/zpimd.conf ---x------ 1 root root 154260 Mar 16 16:39 ./sbin/zpimd* ---x------ 1 root root 79976 Mar 9 09:02 ./usr/bin/ra* ---x------ 1 root root 82856 Mar 9 09:03 ./usr/bin/raconnections* ---x------ 1 root root 78856 Mar 9 09:04 ./usr/bin/racount* ---x------ 1 root root 82824 Mar 9 09:03 ./usr/bin/radjacency* ---x------ 1 root root 82600 Mar 9 09:04 ./usr/bin/radnstats* ---x------ 1 root root 82536 Mar 9 09:04 ./usr/bin/raservices* ---x------ 1 root root 77352 Mar 9 09:04 ./usr/bin/rasort* ---x------ 1 root root 23316 Mar 20 09:59 ./usr/bin/scp* ---x------ 1 root root 78424 Mar 20 09:59 ./usr/bin/sftp* ---x------ 1 root root 61380 Mar 20 09:59 ./usr/bin/sftp-server* ---x------ 1 root root 701372 Mar 20 09:59 ./usr/bin/ssh* ---x------ 1 root root 560900 Mar 20 09:59 ./usr/bin/ssh-keygen* ---x------ 1 root root 644996 Mar 20 09:59 ./usr/bin/sshd* -r-------- 1 root root 1858 Mar 9 09:22 ./usr/lib/dsniff.magic -r-------- 1 root root 1110 Mar 9 09:22 ./usr/lib/dsniff.services ---x------ 1 root root 120928 Mar 9 09:02 ./usr/sbin/argus* ---x------ 1 root root 84672 Mar 9 14:32 ./usr/sbin/arpspoof* ---x------ 1 root root 89172 Mar 9 14:32 ./usr/sbin/dnsspoof* ---x------ 1 root root 149284 Mar 9 14:32 ./usr/sbin/dsniff* ---x------ 1 root root 107468 Mar 9 14:32 ./usr/sbin/filesnarf* ---x------ 1 root root 86464 Mar 9 14:32 ./usr/sbin/macof* ---x------ 1 root root 102824 Mar 9 14:32 ./usr/sbin/mailsnarf* ---x------ 1 root root 106024 Mar 9 14:32 ./usr/sbin/msgsnarf* ---x------ 1 root root 739416 Mar 9 10:58 ./usr/sbin/snort* ---x------ 1 root root 279848 Mar 9 14:32 ./usr/sbin/sshmitm* ---x------ 1 root root 103720 Mar 20 11:09 ./usr/sbin/sshow* ---x------ 1 root root 366168 Mar 8 13:33 ./usr/sbin/tcpdump* ---x------ 1 root root 85984 Mar 9 14:32 ./usr/sbin/tcpkill* ---x------ 1 root root 85904 Mar 9 14:32 ./usr/sbin/tcpnice* ---x------ 1 root root 104012 Mar 9 14:32 ./usr/sbin/urlsnarf* ---x------ 1 root root 599796 Mar 9 14:32 ./usr/sbin/webmitm* Stuff that has been removed or must be changed by hand: Edit /etc/motd to change the version number. Remove: /etc/snort/*-lib /usr/local/lib (including all files) /lib/ld.so.1.9.9 /sbin/pimd* /etc/pimd.conf