This parameter specifies the IP address of the RADIUS, Radsec,
or TACACS+ client that receives the request. It supports both IPv4 and
IPv6 addresses. You can use an exact, alternation, or regular expression
match. Here are examples of using different matches:
RecvAddress=203.63.154.29
RecvAddress=::1
Tip
In Handler clauses, it can be
useful to provide special handling of requests received by a specific
local address: