config.in

网上下到的一个很详细介绍VPN基础知识的资料

#
# IPSEC configuration
# Copyright (C) 1998, 1999, 2000,2001  Richard Guy Briggs.
# 
# This program is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the
# Free Software Foundation; either version 2 of the License, or (at your
# option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
# 
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
# or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
# for more details.
#
# RCSID $Id: Config.in,v 1.22 2001/06/14 19:35:07 rgb Exp $

comment 'IPSec options (FreeS/WAN)'

bool '   IPSEC: IP-in-IP encapsulation (tunnel mode)' CONFIG_IPSEC_IPIP

bool '   IPSEC: Authentication Header' CONFIG_IPSEC_AH
if [ "$CONFIG_IPSEC_AH" = "y" -o "$CONFIG_IPSEC_ESP" = "y" ]; then
  bool '      HMAC-MD5 authentication algorithm' CONFIG_IPSEC_AUTH_HMAC_MD5
  bool '      HMAC-SHA1 authentication algorithm' CONFIG_IPSEC_AUTH_HMAC_SHA1
fi

bool '   IPSEC: Encapsulating Security Payload' CONFIG_IPSEC_ESP
if [ "$CONFIG_IPSEC_ESP" = "y" ]; then
  bool '      3DES encryption algorithm' CONFIG_IPSEC_ENC_3DES
fi

bool '   IPSEC: IP Compression' CONFIG_IPSEC_IPCOMP

bool '   IPSEC Debugging Option' CONFIG_IPSEC_DEBUG