rec: Increase max FDs for systemd machines

Closes #3811

diff --git a/pdns/recursordist/pdns-recursor.service.in b/pdns/recursordist/pdns-recursor.service.in
index f05c0d76ff9c8e93cead5c7d0e6b60cede4228c4..2efb1cdf94b22d7a37d16b1948f01017fca99703 100644 (file)
--- a/pdns/recursordist/pdns-recursor.service.in
+++ b/pdns/recursordist/pdns-recursor.service.in
@@ -18,6 +18,7 @@ NoNewPrivileges=true
 ProtectSystem=full
 ProtectHome=true
 RestrictAddressFamilies=AF_UNIX AF_INET AF_INET6
+LimitNOFILE=4096
 
 [Install]
 WantedBy=multi-user.target