diff -U2 -r /var/lib/copr-rpmbuild/results/i2pd-git/upstream-unpacked/Source0/i2pd-openssl/libi2pd/NTCP2.cpp /var/lib/copr-rpmbuild/results/i2pd-git/srpm-unpacked/i2pd-openssl.tar.gz-extract/i2pd-openssl/libi2pd/NTCP2.cpp
--- /var/lib/copr-rpmbuild/results/i2pd-git/upstream-unpacked/Source0/i2pd-openssl/libi2pd/NTCP2.cpp	2025-09-19 20:04:32.000000000 +0000
+++ /var/lib/copr-rpmbuild/results/i2pd-git/srpm-unpacked/i2pd-openssl.tar.gz-extract/i2pd-openssl/libi2pd/NTCP2.cpp	2025-09-19 17:40:41.000000000 +0000
@@ -1537,13 +1537,9 @@
 					else if (address->IsV6() && (context.SupportsV6 () || context.SupportsMesh ()))
 					{
-#if defined(__HAIKU__)
-						LogPrint (eLogInfo, "NTCP2: Can't listen v6 TCP port ", address->port, ". IPV6_V6ONLY is not supported");
-						continue; // IPV6_V6ONLY is not supported. Don't listen ipv6
-#endif						
 						m_NTCP2V6Acceptor.reset (new boost::asio::ip::tcp::acceptor (GetService ()));
 						try
 						{
-							m_NTCP2V6Acceptor->open (boost::asio::ip::tcp::v6());						
-							m_NTCP2V6Acceptor->set_option (boost::asio::ip::v6_only (true));							
+							m_NTCP2V6Acceptor->open (boost::asio::ip::tcp::v6());
+							m_NTCP2V6Acceptor->set_option (boost::asio::ip::v6_only (true));
 							m_NTCP2V6Acceptor->set_option (boost::asio::socket_base::reuse_address (true));
 #if defined(__linux__) && !defined(_NETINET_IN_H)
diff -U2 -r /var/lib/copr-rpmbuild/results/i2pd-git/upstream-unpacked/Source0/i2pd-openssl/libi2pd/SSU2.cpp /var/lib/copr-rpmbuild/results/i2pd-git/srpm-unpacked/i2pd-openssl.tar.gz-extract/i2pd-openssl/libi2pd/SSU2.cpp
--- /var/lib/copr-rpmbuild/results/i2pd-git/upstream-unpacked/Source0/i2pd-openssl/libi2pd/SSU2.cpp	2025-09-19 20:04:32.000000000 +0000
+++ /var/lib/copr-rpmbuild/results/i2pd-git/srpm-unpacked/i2pd-openssl.tar.gz-extract/i2pd-openssl/libi2pd/SSU2.cpp	2025-09-19 17:40:41.000000000 +0000
@@ -290,12 +290,5 @@
 			socket.open (localEndpoint.protocol ());
 			if (localEndpoint.address ().is_v6 ())
-#if !defined(__HAIKU__)					
 				socket.set_option (boost::asio::ip::v6_only (true));
-#else
-			{
-				LogPrint (eLogWarning, "SSU2: Socket option IPV6_V6ONLY is not supported");
-				m_IsForcedFirewalled6 = true; // IPV6_V6ONLY is not supported, always Firewalled for ipv6
-			}		
-#endif			
 
 			uint64_t bufferSize = i2p::context.GetBandwidthLimit() * 1024 / 5; // max lag = 200ms