The latest articles on Developers Forum for XinFin XDC Network by TK Vallepalli (@itsvtk). https://www.xdc.dev/itsvtk https://www.xdc.dev/images/2Dlug94tOsyuIL5mEobemxX_KyP_b6mfBGyw9mJsDfc/rs:fill:90:90/mb:500000/ar:1/aHR0cHM6Ly93d3cu/eGRjLmRldi91cGxv/YWRzL3VzZXIvcHJv/ZmlsZV9pbWFnZS82/NzcwLzRjZTNiYzVm/LTExYjEtNDJhMS04/NzFlLTgyZjBlZDZi/MGMzNi5qcGc https://www.xdc.dev/itsvtk en TK Vallepalli Thu, 20 Nov 2025 17:51:03 +0000 https://www.xdc.dev/itsvtk/unable-to-sync-to-the-peer-public-node-from-internal-archive-node-which-is-behind-firewall-3255 https://www.xdc.dev/itsvtk/unable-to-sync-to-the-peer-public-node-from-internal-archive-node-which-is-behind-firewall-3255 <p>Hello,</p> <ul> <li>we are trying to setup an XDC masternode (docker based) for archive mainnet. Even after opening port 30303 UDP and TCP on the firewall for outbound, our node is unable to connect to the bootnodes and enodes.</li> </ul> <p>Does XDC node need egress/outbound opened for all ports and not just 30303?</p> <p>Do the bootnodes IP and enodes IP stay fixed (or) the list keeps changing?</p> <p>Regards,<br> itsvtk</p> archive firewall 30303 peers