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| author |   Mauro Carvalho Chehab <mchehab+huawei@kernel.org> | 2020-04-28 00:01:46 +0200 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2020-04-28 14:39:47 -0700 |
| commit | 9de1fcdf36e7e00693a260865a5f2a58af1c7040 (patch) | |
| tree | 2bfa0a0f667ee8b3c496379f14b9bbfccb349697 | |
| parent | docs: networking: convert ipddp.txt to ReST (diff) | |
| download | linux-dev-9de1fcdf36e7e00693a260865a5f2a58af1c7040.tar.xz linux-dev-9de1fcdf36e7e00693a260865a5f2a58af1c7040.zip | |
docs: networking: convert ip_dynaddr.txt to ReST
- add SPDX header;
- adjust title markup;
- mark code blocks and literals as such;
- adjust identation, whitespaces and blank lines;
- add to networking/index.rst.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | Documentation/networking/index.rst | 1 | ||||
| -rw-r--r-- | Documentation/networking/ip_dynaddr.rst (renamed from Documentation/networking/ip_dynaddr.txt) | 29 |
2 files changed, 21 insertions, 9 deletions
diff --git a/Documentation/networking/index.rst b/Documentation/networking/index.rst index cf85d0a73144..f81aeb87aa28 100644 --- a/Documentation/networking/index.rst +++ b/Documentation/networking/index.rst @@ -66,6 +66,7 @@ Contents: hinic ila ipddp + ip_dynaddr .. only:: subproject and html diff --git a/Documentation/networking/ip_dynaddr.txt b/Documentation/networking/ip_dynaddr.rst index 45f3c1268e86..eacc0c780c7f 100644 --- a/Documentation/networking/ip_dynaddr.txt +++ b/Documentation/networking/ip_dynaddr.rst @@ -1,10 +1,15 @@ +.. SPDX-License-Identifier: GPL-2.0 + +================================== IP dynamic address hack-port v0.03 -~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +================================== + This stuff allows diald ONESHOT connections to get established by dynamically changing packet source address (and socket's if local procs). It is implemented for TCP diald-box connections(1) and IP_MASQuerading(2). -If enabled[*] and forwarding interface has changed: +If enabled\ [#]_ and forwarding interface has changed: + 1) Socket (and packet) source address is rewritten ON RETRANSMISSIONS while in SYN_SENT state (diald-box processes). 2) Out-bounded MASQueraded source address changes ON OUTPUT (when @@ -12,18 +17,24 @@ If enabled[*] and forwarding interface has changed: received by the tunnel. This is specially helpful for auto dialup links (diald), where the -``actual'' outgoing address is unknown at the moment the link is +``actual`` outgoing address is unknown at the moment the link is going up. So, the *same* (local AND masqueraded) connections requests that bring the link up will be able to get established. -[*] At boot, by default no address rewriting is attempted. - To enable: +.. [#] At boot, by default no address rewriting is attempted. + + To enable:: + # echo 1 > /proc/sys/net/ipv4/ip_dynaddr - To enable verbose mode: - # echo 2 > /proc/sys/net/ipv4/ip_dynaddr - To disable (default) + + To enable verbose mode:: + + # echo 2 > /proc/sys/net/ipv4/ip_dynaddr + + To disable (default):: + # echo 0 > /proc/sys/net/ipv4/ip_dynaddr Enjoy! --- Juanjo <jjciarla@raiz.uncu.edu.ar> +Juanjo <jjciarla@raiz.uncu.edu.ar> |