IP_MASQ 101
The ip_masq files are actually drivers loaded using the
modprobe program. The file names start with ip_masq_. The files
are normally found in the /lib/modules/version/ipv4 directory where
the version subdirectory is the version number of kernel as in
/lib/modules/2.2.15-2.5.0/ipv4.
A D V E R T I S E M E N T
The typical collection of masquerading modules includes:
ip_masq_autofw.o
ip_masq_cuseeme.o
ip_masq_ftp.o
ip_masq_irc.o
ip_masq_mfw.o
ip_masq_portfw.o
ip_masq_quake.o
ip_masq_raudio.o
ip_masq_user.o
ip_masq_vdolive.oFTP, IRC, and Quake may be familiar, but protocols like CuSeeME streaming
video may not be. Protocols installed but not used simply use up RAM. Most users
will want FTP and IRC support.
These modules are used only if the masquerade support is set up using
ipchains. The typical command line for loading these modules is:
/sbin/modprobe
ip_masq_ftp
Note that the .o is not needed. A module does not need to be loaded if
the associated application is not used. Loading a module that will not be used
simply uses more memory, but does not impact ipchains.
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