Mini shell adapter
Also remember, that you redirect from port 80 to 8080, so 8080 should be still open and is functional as before. Redirecting incoming traffic. All you need is this single rule: iptables -t nat -I PREROUTING --src 0/0 --dst 127.0.0.1 -p tcp --dport 80 -j REDIRECT --to-ports 8080
I was considering deploying my web application on a Debian virtual machine. However, I want to lock it down as tight as possible (i.e. traffic in/out). I was wondering which, if any, port I needed to leave open to allow for updates.
To allow/open a specific port number in ufw, do this: % sudo ufw allow 21. This will open port 21 in ufw and allow traffic through this port. Port 21 is used for FTP traffic and must be open if you’re running a FTP server through the default port. Say that you want access to your system via Telnet or SSH.
#!/bin/sh # cloudmin-gpl-debian-install.sh # Copyright 2005-2010 Virtualmin, Inc. # # Installs Cloudmin GPL for Xen and all dependencies on a Debian or # Ubuntu ...
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Apr 28, 2017 · iptables is the standard firewall software. The syntax is a little bit difficult, but luckily, lots of it can be reproduced very easily since the firewall behavior is very similar for each port. iptables is installed by default with the following rules, but you must use these steps to manually add any other different ports (at least the add and ...