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firmware
FFS Gluon
Commits
d9632c77
Commit
d9632c77
authored
Jun 03, 2021
by
Nico
Browse files
add patch to announce node prefix with preferred lifetime of 0
parent
ee284141
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1
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patches/packages/gluon/0001-uradvd-adjust-preferred-lifetime-to-0.patch
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d9632c77
From: Nico <github@nicoboehr.de>
Date: Thu, 3 Jun 2021 20:31:55 +0000
Subject: uradvd: adjust preferred lifetime to 0
When we announce a prefix from nodes which has a preferred lifetime
of nonzero, clients can use this prefix as a source IP address.
As we announce the same prefix for every segment, this won't work. Hence,
set the preferred lifetime to 0 so nobody ever uses it as a source IP.
diff --git a/net/uradvd/src/uradvd.c b/net/uradvd/src/uradvd.c
index f6549f249518714e3d9210708b54cc23d85b26df..0edcfdcc02c3c1d513413d8cb580880e4ef9eab6 100644
--- a/net/uradvd/src/uradvd.c
+++ b/net/uradvd/src/uradvd.c
@@ -62,7 +62,7 @@
/* These are in seconds */
#define AdvValidLifetime 86400u
-#define AdvPreferredLifetime 14400u
+#define AdvPreferredLifetime 0u
#define AdvDefaultLifetime 0u
#define AdvCurHopLimit 64u
#define AdvRDNSSLifetime 1200u
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