# Ports Used by OpUtils ## Which firewall ports need to be opened to manage devices over a WAN? To manage devices across a WAN, ensure the following ports are open on the firewall for proper communication: - **TCP Port 8060** - Web Server Port used for connecting to OpUtils Web console using HTTP - **TCP Port 8061** - Web Server Port used for connecting to OpUtils Web console using HTTPS - **UDP Port 161** - To send and receive SNMP requests - **UDP Port 162** - For receiving SNMP traps from devices - **UDP Port 69** - Used by the TFTP Server to upload and download config files from Cisco devices - **TCP Port 53** - Enables IP to DNS resolution - **TCP (WinRM) Port 5985 (HTTP) & 5986 (HTTPS)** - DHCP MAC filtering and DHCP Reservation - **RPC Port 135** - To fetch DHCP scope information from a Microsoft server - **TCP Port 22** - ARP/DHCP data collection through CLI **Note:** You can change the default web port (8060/8061) to a custom port as per your network policy.