auth_algs Security Option

This option enables IPsec AH for a tunnel with a specified authentication algorithm. The auth_algs option has the following format:

auth_algs authentication-algorithm

For the algorithm, you can specify either a number or an algorithm name, including the parameter any, to express no specific algorithm preference. To disable tunnel security, specify the following option:

auth_algs none

See Table 1–1 for a list of available authentication algorithms and for pointers to the algorithm man pages.