lokinet/SOURCES/default-dns.patch
Jason Rhinelander e2894cdbac Change default dns listen port to 953 (instead of 1053)
Tom pointed out that it's slightly better to be a privileged port so
that someone can't hijack it on a restart.
2021-08-12 20:05:13 -03:00

17 lines
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Diff

diff --git a/llarp/config/config.cpp b/llarp/config/config.cpp
index 78d152602..8b07b0cec 100644
--- a/llarp/config/config.cpp
+++ b/llarp/config/config.cpp
@@ -703,7 +703,10 @@ namespace llarp
// can bind to other 127.* IPs to avoid conflicting with something else that may be listening on
// 127.0.0.1:53.
#ifdef __linux__
- constexpr Default DefaultDNSBind{"127.3.2.1:53"};
+ // Fedora's systemd-resolved seems unable to connect to 127.3.2.1 for unknown reasons,
+ // however since systemd-resolved is perfectly happy with a different port so listen on
+ // localhost:953 as a workaround.
+ constexpr Default DefaultDNSBind{"127.0.0.1:953"};
#else
constexpr Default DefaultDNSBind{"127.0.0.1:53"};
#endif