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Security and Privacy Sadly, malware, spyware, hackers and privacy threats abound in today's world. Let's be paranoid and secure our penguins, and slam the doors on privacy exploits.

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Old 14th November 2005, 11:16 PM
Zigzagcom Offline
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Join Date: Feb 2005
Location: CALIFORNIA, yeah
Age: 87
Posts: 1,657
tcpwrappers and domain names...

Hello,
time for me to post a question.
I am configuring the /etc/hosts.allow and /etc/hosts.deny on a remote server to cut down on ssh login attempts from the skiddies. I ran into some difficulties adding a domain name to the /etc/hosts.allow file.
Quote:
/etc/hosts.allow
sshd : ipaddress1 ipaddress2 myname.dyndns.org
Quote:
/etc/hosts.deny
sshd : ALL
I was not able to login from my location to the remote server using the dyndns.org domain name account, but when I use my current IP address (dynamic), it works.
Does anybody have some insight to this?

What I have done for now, is to select a large enough subnet (with corresponding netmask) from the IP's that my ISP hands out to me, hoping that I can maintain access via ssh, even in the event that my IP should change (provided it stays within the range of the first two octets).
I may have to enlarge the IP subnet a bit more, and I do have alternate means to access the server and change configurations.
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