diff options
Diffstat (limited to 'passt.1')
| -rw-r--r-- | passt.1 | 14 |
1 files changed, 10 insertions, 4 deletions
@@ -941,10 +941,16 @@ with destination 127.0.0.10, and the default IPv4 gateway is 192.0.2.1, while the last observed source address from guest or namespace is 192.0.2.2, this will be translated to a connection from 192.0.2.1 to 192.0.2.2. -Similarly, for traffic coming from guest or namespace, packets with -destination address corresponding to the \fB\-\-map-host-loopback\fR -address will have their destination address translated to a loopback -address. +Similarly, for traffic coming from guest or namespace, packets with destination +address corresponding to the \fB\-\-map-host-loopback\fR address will have their +destination address translated to a loopback address. + +As an exception, traffic identified as DNS, originally directed to the +\fB\-\-map-host-loopback\fR address, if this address matches a resolver address +on the host, is \fBnot\fR translated to loopback, but rather handled in the same +way as if specified as \-\-dns-forward address, if no such option was given. +In the common case where the host gateway also acts a resolver, this avoids that +the host mapping shadows the gateway/resolver itself. .SS Handling of local traffic in pasta |