Index: src/sshguard.in
--- src/sshguard.in.orig
+++ src/sshguard.in
@@ -1,6 +1,9 @@
 #!/bin/sh
 # sshguard -- protect hosts from brute-force attacks
 
+# Ignore HUP
+trap "" HUP
+
 libexec="@libexecdir@"
 version="@sshguardversion@"