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authorMauro Carvalho Chehab <mchehab+huawei@kernel.org>2020-04-28 00:01:46 +0200
committerDavid S. Miller <davem@davemloft.net>2020-04-28 14:39:47 -0700
commit9de1fcdf36e7e00693a260865a5f2a58af1c7040 (patch)
tree2bfa0a0f667ee8b3c496379f14b9bbfccb349697 /Documentation/networking/ip_dynaddr.txt
parentdocs: networking: convert ipddp.txt to ReST (diff)
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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>
Diffstat (limited to 'Documentation/networking/ip_dynaddr.txt')
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diff --git a/Documentation/networking/ip_dynaddr.txt b/Documentation/networking/ip_dynaddr.txt
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--- a/Documentation/networking/ip_dynaddr.txt
+++ /dev/null
@@ -1,29 +0,0 @@
-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:
- 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
- internal host does retransmission) until a packet from outside is
- 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
-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:
- # echo 1 > /proc/sys/net/ipv4/ip_dynaddr
- 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>