📄 net-ipsec-common-installation.html
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>Chapter 50. Installation and Configuration</H1
><P
> Due to the restrictions imposed by various countries on the
exportation and importation of cryptographic software, it has been
decided to distribute the crypto parts of FreeBSD IPSEC separately
from the rest of eCos. Before IPSEC can be enabled the eCos
package bsd_crypto must be installed. This package can be found on
the eCosCentric server at
<A
HREF="ftp://ftp.ecoscentric.com:/pub/contrib"
TARGET="_top"
> ftp.ecoscentric.com:/pub/contrib</A
>. Once the package has been
downloaded it must be installed using the
<TT
CLASS="LITERAL"
>ecosadmin.tcl</TT
> script.
</P
><P
> When the bsd_crypto package has been installed, the building of
IPSEC will automatically be enabled when the FreeBSD stack is
used. It can be disabled using the configuration option
<TT
CLASS="LITERAL"
>CYGPKG_NET_IPSEC</TT
>. There are no other
configuration options for IPSEC as a whole.
</P
><P
> In order to use IPSEC, connections must be configured. This can be
performed using <CODE
CLASS="FUNCTION"
>setsockopt()</CODE
> calls. A more
convenient way is the use the <TT
CLASS="LITERAL"
>libipsec</TT
> library
from the <SPAN
CLASS="PRODUCTNAME"
>KAME</SPAN
> distribution. eCos
contains a snapshot of this library, which is documented else
where. The aim is to also port the
<SPAN
CLASS="PRODUCTNAME"
>racoon</SPAN
> daemon to eCos in the near
future.
</P
><P
> It should be noted that the FreeBSD stack in eCos is quite
old. IPSEC and IPv6 have continued to develop. It is quite
possible there could be interoperabilty problems when using the
IPSEC implementation in eCos with more modern implementations.
</P
><P
> It should also be noted that IPSEC, libipsec etc are currently
work in progress items.
</P
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