diff --git a/.bashrc b/.bashrc
index 5e31e5e3a3f9309dc94fa87122c1ccc2a7203038..03277c9e05df26afee5301083ded6c8e9dbfebd6 100644
--- a/.bashrc
+++ b/.bashrc
@@ -115,8 +115,8 @@ alias prune_docker_remote='find ~/.ssh -maxdepth 1 -type s -name "docker_*" -del
 alias close='ssh -fnNTS ~/.ssh/%C.sock -O exit'
 alias jjb='jenkins-jobs'
 alias diff='diff --unified'
-alias check_tcp='nc -vzw1'
-alias check_unix='nc -Uvzw1'
+alias check_tcp='nc -vzw10'
+alias check_unix='nc -Uvzw3'
 alias listen_tcp='nc -vlk 0.0.0.0'
 alias listen_udp='nc -uvlk 0.0.0.0'
 alias listen_unix='nc -Uvlk'