External SSH
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/usr/sbin/iptables -I INPUT 1 -p tcp --dport $(nvram get sshd_port) -j logaccept | /usr/sbin/iptables -I INPUT 1 -p tcp --dport $(nvram get sshd_port) -j logaccept | ||
* To log into your router from a windows machine you could use [http://www.chiark.greenend.org.uk/~sgtatham/putty/download.html Putty]. You will have to enter the external ip of your router or the DynDNS name to login from Internet. If you have changed the port on which sshd runs, you will have to fill in that port number. | * To log into your router from a windows machine you could use [http://www.chiark.greenend.org.uk/~sgtatham/putty/download.html Putty]. You will have to enter the external ip of your router or the DynDNS name to login from Internet. If you have changed the port on which sshd runs, you will have to fill in that port number. | ||
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Revision as of 22:10, 18 February 2006
How to set up SSH access from internet
To make it possible to access your router from internet by SSH follow these steps:
- Enable SSHD on the Web_Interface (Administration -> Management or Services) and don't forget to Save Settings.
- Recommend also to change the SSHD port to something non-standard above 1024. The reason for this is, there are MANY brute-force attack tools out there that scan ranges of IP looking on port 22. If they see a response they do a brute-force attempt with a list of passwords. If your password is "admin" you are likely to be in trouble. Easy way to avoid being on their radar is CHANGE THIS DEFAULT PORT.
- To allow access to the SSH port from WAN add the following rule as command on the Web_Interface (Administration -> Diagnostics) and save with Save Firewall:
/usr/sbin/iptables -I INPUT 1 -p tcp --dport $(nvram get sshd_port) -j logaccept
- To log into your router from a windows machine you could use Putty. You will have to enter the external ip of your router or the DynDNS name to login from Internet. If you have changed the port on which sshd runs, you will have to fill in that port number.