https://github.com/rbsec/sslscan/commit/1769c47e118ecd3ab63222015f52ae89ae0976fe
From 1769c47e118ecd3ab63222015f52ae89ae0976fe Mon Sep 17 00:00:00 2001
From: Marc <34656315+MarcT512@users.noreply.github.com>
Date: Fri, 17 Apr 2026 17:14:22 +0100
Subject: [PATCH] Ignore SIGPIPE on platforms that are not Windows

Ignore SIGPIPE, or otherwise we might be aborted by the OS if the remote host closes our socket and we try to write to it.
---
 sslscan.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/sslscan.c b/sslscan.c
index 0358aca..abe3d69 100644
--- a/sslscan.c
+++ b/sslscan.c
@@ -91,6 +91,7 @@
   #include <sys/socket.h>
   #include <sys/select.h>
   #include <fcntl.h>
+  #include <signal.h>
 #endif
 #include <string.h>
 #include <sys/stat.h>
@@ -4152,6 +4153,12 @@ int main(int argc, char *argv[])
     // Build the list of ciphers missing from OpenSSL.
     findMissingCiphers();
 
+    // Ignore SIGPIPE, or otherwise we might be aborted by the OS if the remote host closes our socket and we try to write to it
+#ifndef _WIN32
+    signal(SIGPIPE, SIG_IGN);
+#endif
+
+
     switch (mode)
     {
         case mode_version: