This firewall rule will open port 22 to the IP Address, But Connection can only establish through local IP Address ( This is useful if you have configured more than one IP Address on your Ubuntu Server. Open Port to a Network.

Once you have confirmed that the samba ports are not open on the system, open the Samba port using the following FirewallD command: # firewall-cmd --add-service=samba The above command will change the runtime, opening the port temporarily. Mar 29, 2020 · SMB uses either IP port 139 or 445. Port 139: SMB originally ran on top of NetBIOS using port 139. NetBIOS is an older transport layer that allows Windows computers to talk to each other on the same network. Port 445: Later versions of SMB (after Windows 2000) began to use port 445 on top of a TCP stack. Using TCP allows SMB to work over the internet. Aug 18, 2017 · Firewall ports for Samba (linux server and client) Get answers from your peers along with millions of IT pros who visit Spiceworks. I know for Samba we need port 445. However, I see the use of ports 137, 138, and 139 as well. The output displays that the services are listening on localhost ( and the network interface with the IP address On both interfaces, the ports 139/tcp and 445/tcp are opened. For further information on the output, see the netstat (8) manual page.

Mar 30, 2020 · SMB ports firewall always restricts this port in the first place as a safety measure if users have opened it. This port 139 is employed for File and Printed Sharing. However, it appears to be the most dangerous port that you will find on the internet. It is because the port leaves the user’s hard disk exposed to cybercriminals.

May 23, 2018 · In this guide, we show you the steps to regain access to your network files when connecting to a device that is still using the SMB version 1 protocol. Ports Used for Network Printers. Table 3 lists the ports for outgoing network traffic that are used for network printers. Notes: DNS and mDNS are used for all printing protocols except SMB. SNMP is used to provide status and supply level information for AppSocket and LPD printers. I have an Ubuntu PC with ufw firewall (GUI version). I have added the preset Samba service, in and out, and even tried adding the ports manually (135-139, 445, UDP and TCP, in and out), but it still blocks samba. I am trying to access a share on another PC on my LAN. If I disable ufw, it works fine. Jul 01, 2017 · Add Files on Samba Share Enable Samba in UFW Firewall in Ubuntu. If you have UFW firewall enabled/active on your system, you must add the rules to allow Samba to pass through your firewall. To test this, we’ve used the network scheme. Run the commands below specifying your network address.

Mar 29, 2020

What Ports Need To Be Open For Samba To Communicate With Mar 31, 2017 Firewalling Samba