diff --git a/net-analyzer/netcat-openbsd/netcat_openbsd-7.5.1a.recipe b/net-analyzer/netcat-openbsd/netcat_openbsd-7.5.1a.recipe
new file mode 100644
index 000000000..32f4f6f1e
--- /dev/null
+++ b/net-analyzer/netcat-openbsd/netcat_openbsd-7.5.1a.recipe
@@ -0,0 +1,53 @@
+SUMMARY="A utility to read and write to network connections"
+DESCRIPTION="Netcat is a simple utility which reads and writes data across \
+network connections, using the TCP or UDP protocol.
+
+This is the OpenBSD netcat with Debian and other patches."
+HOMEPAGE="https://github.com/duncan-roe/netcat-openbsd"
+COPYRIGHT="2001 Eric Jackson
+1996 David Sacerdote
+2006 Damien Miller
+2005 Anil Madhavapeddy
+1995,1999 Theo de Raadt
+1999 Niklas Hallqvist
+2004, 2005 Damien Miller
+The OpenBSD project"
+LICENSE="BSD (3-clause)
+BSD (2-clause)"
+REVISION="1"
+srcGitRev="19366e25d99290a6f3e76893a7196356ceed4cc2"
+SOURCE_URI="https://github.com/duncan-roe/netcat-openbsd/archive/$srcGitRev.zip"
+CHECKSUM_SHA256="8f4c18b2345c3ea46e71abe9f8185c59addb1e33838ccbd76176396b64e02954"
+SOURCE_DIR="netcat-openbsd-$srcGitRev"
+PATCHES="netcat-openbsd-7.5.1a.patchset"
+
+ARCHITECTURES="all"
+
+PROVIDES="
+	netcat_openbsd = $portVersion
+	cmd:nc = $portVersion
+	"
+REQUIRES="
+	haiku
+	"
+
+BUILD_REQUIRES="
+	haiku_devel
+	"
+BUILD_PREREQUIRES="
+	cmd:gcc
+	cmd:ld
+	cmd:make
+	"
+
+BUILD()
+{
+	make LIBS="-lbsd -lnetwork"
+}
+
+INSTALL()
+{
+	mkdir -p $binDir $manDir/man1
+	install -s nc $binDir/
+	install nc.1 $manDir/man1/
+}
diff --git a/net-analyzer/netcat-openbsd/patches/netcat-openbsd-7.5.1a.patchset b/net-analyzer/netcat-openbsd/patches/netcat-openbsd-7.5.1a.patchset
new file mode 100644
index 000000000..fb5df2bfb
--- /dev/null
+++ b/net-analyzer/netcat-openbsd/patches/netcat-openbsd-7.5.1a.patchset
@@ -0,0 +1,40 @@
+From 9b15294448d4aae4e5de0a855987fd42ef67b9fe Mon Sep 17 00:00:00 2001
+From: Christof Meerwald <cmeerw@cmeerw.org>
+Date: Mon, 22 Dec 2025 11:48:07 +0000
+Subject: [PATCH] conditionally support IPTOS options
+
+
+diff --git a/netcat-openbsd-19366e25d99290a6f3e76893a7196356ceed4cc2/netcat.c b/netcat-openbsd-19366e25d99290a6f3e76893a7196356ceed4cc2/netcat.c
+index 8cc37f6..4df7d7f 100644
+--- a/netcat-openbsd-19366e25d99290a6f3e76893a7196356ceed4cc2/netcat.c
++++ b/netcat-openbsd-19366e25d99290a6f3e76893a7196356ceed4cc2/netcat.c
+@@ -1721,7 +1721,9 @@ process_tos_opt(char *s, int *val)
+ 		{ "af41",		IPTOS_DSCP_AF41 },
+ 		{ "af42",		IPTOS_DSCP_AF42 },
+ 		{ "af43",		IPTOS_DSCP_AF43 },
++#ifdef IPTOS_PREC_CRITIC_ECP
+ 		{ "critical",		IPTOS_PREC_CRITIC_ECP },
++#endif
+ 		{ "cs0",		IPTOS_DSCP_CS0 },
+ 		{ "cs1",		IPTOS_DSCP_CS1 },
+ 		{ "cs2",		IPTOS_DSCP_CS2 },
+@@ -1731,10 +1733,16 @@ process_tos_opt(char *s, int *val)
+ 		{ "cs6",		IPTOS_DSCP_CS6 },
+ 		{ "cs7",		IPTOS_DSCP_CS7 },
+ 		{ "ef",			IPTOS_DSCP_EF },
++#ifdef IPTOS_PREC_INTERNETCONTROL
+ 		{ "inetcontrol",	IPTOS_PREC_INTERNETCONTROL },
++#endif
++#ifdef IPTOS_LOWCOST
+ 		{ "lowcost",		IPTOS_LOWCOST },
++#endif
+ 		{ "lowdelay",		IPTOS_LOWDELAY },
++#ifdef IPTOS_PREC_NETCONTROL
+ 		{ "netcontrol",		IPTOS_PREC_NETCONTROL },
++#endif
+ 		{ "reliability",	IPTOS_RELIABILITY },
+ 		{ "throughput",		IPTOS_THROUGHPUT },
+ 		{ NULL,			-1 },
+-- 
+2.51.0
+