Installazione di FreeS/WAN tramite RPM

L'installazione di FreeS/WAN intrinsecamente complicata, dal momento che richiede la compilazione di un modulo altamente sensibile alle differenze di versione del Kernel.
Dal sito ufficiale, comunque, si possono scaricare degli RPM precompilati per RedHat, per i quali l'unica attenzione da seguire il rispetto della versione del proprio kernel.

[[email protected] root]# ftp ftp.xs4all.nl
Connected to ftp.xs4all.nl (194.109.6.26).
[...]
ftp> cd pub/crypto/freeswan/binaries/RedHat-RPMs
ftp> ls Notare che esistono diverse directory per ogni Kernel version ufficiale di RedHat
227 Entering Passive Mode (194,109,6,26,8,21).
150 Opening ASCII mode data connection for file list
drwxr-xr-x   2 freeswan user         4096 Nov  4 22:31 2.4.18-10
drwxr-xr-x   2 freeswan user         4096 Nov  4 22:31 2.4.18-14
drwxr-xr-x   2 freeswan user         4096 Nov  4 22:31 2.4.18-17.7.x
drwxr-xr-x   2 freeswan user         4096 Nov  4 22:31 2.4.18-17.8.0
drwxr-xr-x   2 freeswan user         4096 Nov 18 10:06 2.4.18-18.7.x
drwxr-xr-x   2 freeswan user         4096 Nov 18 10:06 2.4.18-18.8.0
drwxr-xr-x   2 freeswan user         4096 Dec 23 10:13 2.4.18-19.7.x
drwxr-xr-x   2 freeswan user         4096 Jan  4 06:57 2.4.18-19.8.0
drwxr-xr-x   2 freeswan user         4096 Feb 13 15:50 2.4.18-24.7.x
drwxr-xr-x   2 freeswan user         4096 Feb 13 15:50 2.4.18-24.8.0
drwxr-xr-x   2 freeswan user         4096 Nov  4 22:31 2.4.18-3
drwxr-xr-x   2 freeswan user         4096 Nov  4 22:31 2.4.7-10
drwxr-xr-x   2 freeswan user         4096 Nov  4 22:31 2.4.9-34
-rw-r--r--   1 freeswan user          285 Oct 16 00:25 README
lrwxrwxrwx   1 freeswan user           26 Nov  4 22:44 freeswan-rpmsign.asc -> .
./../freeswan-rpmsign.asc
ftp> cd 2.4.18-14
[...]
ftp> get freeswan-1.99_2.4.18_14-0.i386.rpm
[...]
ftp> get freeswan-module-1.99_2.4.18_14-0.i386.rpm
[...]
[[email protected] root]# rpm -i freeswan-module-1.99_2.4.18_14-0.i386.rpm
warning: freeswan-module-1.99_2.4.18_14-0.i386.rpm: V3 RSA/MD5 signature: NOKEY, key ID 5a7e4731
do not forget to install the userland utilities
[[email protected] root]# rpm -i freeswan-1.99_2.4.18_14-0.i386.rpm
warning: freeswan-1.99_2.4.18_14-0.i386.rpm: V3 RSA/MD5 signature: NOKEY, key ID 5a7e4731
invoke "service ipsec start" or reboot to begin
[[email protected] root]# service ipsec start
ipsec_setup: Starting FreeS/WAN IPsec 1.99...
ipsec_setup: insmod: ipsec: no module by that name found
ipsec_setup: insmod failed, but found matching template module 53cb1f7e.
ipsec_setup: Copying /lib/modules/2.4.18-14/kernel/net/ipsec/53cb1f7e to /lib/modules/2.4.18-14/kernel/net/ipsec/i                                  psec.o.
ipsec_setup: /sbin/insmod /lib/modules/2.4.18-14/kernel/net/ipsec/ipsec.o
ipsec_setup: Using /lib/modules/2.4.18-14/kernel/net/ipsec/ipsec.o
ipsec_setup: Symbol version prefix ''
ipsec_setup: WARNING: eth0 has route filtering turned on, KLIPS may not work
ipsec_setup:  (/proc/sys/net/ipv4/conf/eth0/rp_filter = `1', should be 0)

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