Cap TTL of DNS cache entries

diff --git a/src/dns.cpp b/src/dns.cpp
index 1755c7dac85f1c9b474fb2cd4291269e91062a07..ff823524c347f0fad7c865e6fb9fc7df1d960f99 100644 (file)
--- a/src/dns.cpp
+++ b/src/dns.cpp
@@ -162,6 +162,8 @@ class RequestTimeout : public Timer
 
 CachedQuery::CachedQuery(const std::string &res, QueryType qt, unsigned int ttl) : data(res), type(qt)
 {
+       if (ttl > 5*60)
+               ttl = 5*60;
        expires = ServerInstance->Time() + ttl;
 }