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slirp: Bind support for host forwarding rules

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Extend the hostfwd rule format so that the user can specify on which
host interface qemu should listen for incoming connections. If omitted,
binding will takes place against all interfaces.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Jan Kiszka 2009-06-24 14:42:28 +02:00 • committed by Anthony Liguori
parent f3546deb07
commit 3c6a05803c
11 changed files with 73 additions and 47 deletions
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11
qemu-options.hx
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@ -881,11 +881,12 @@ Note that a SAMBA server must be installed on the host OS in
@file{/usr/sbin/smbd}. QEMU was tested successfully with smbd versions from
Red Hat 9, Fedora Core 3 and OpenSUSE 11.x.
@item hostfwd=[tcp|udp]:@var{hostport}:[@var{guestaddr}]:@var{guestport}
@item hostfwd=[tcp|udp]:[@var{hostaddr}]:@var{hostport}-[@var{guestaddr}]:@var{guestport}
Redirect incoming TCP or UDP connections to the host port @var{hostport} to
the guest IP address @var{guestaddr} on guest port @var{guestport}. If
@var{guestaddr} is not specified, its value is x.x.x.15 (default first address
given by the built-in DHCP server). If no connection type is specified, TCP is
given by the built-in DHCP server). By specifying @var{hostaddr}, the rule can
be bound to a specific host interface. If no connection type is set, TCP is
used. This option can be given multiple times.
For example, to redirect host X11 connection from screen 1 to guest
@ -893,7 +894,7 @@ screen 0, use the following:
@example
# on the host
qemu -net user,hostfwd=tcp:6001::6000 [...]
qemu -net user,hostfwd=tcp:127.0.0.1:6001-:6000 [...]
# this host xterm should open in the guest X11 server
xterm -display :1
@end example
@ -911,8 +912,8 @@ Then when you use on the host @code{telnet localhost 5555}, you
connect to the guest telnet server.
@item guestfwd=[tcp]:@var{server}:@var{port}-@var{dev}
Forward guest TCP connections to port @var{port} on the host to character
device @var{dev}. This option can be given multiple times.
Forward guest TCP connections to the IP address @var{server} on port @var{port}
to the character device @var{dev}. This option can be given multiple times.
@end table