Questions tagged [debian]

One of the earliest Linux distros and officially consist of only free software. Many distros has been derived from the Debian codebase, like Ubuntu and Knoppix.

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Create signed release binaries and distribute with custom repository (debian)

I have been tasked to create a custom repository with signed binaries for download. Our CEO explicitly mentioned that he wants the binary signed by himself and his business parther. I set up a ...
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70 views

Sanitising a file/folder path from user input

I have an external server make backups of my main server via scp and a backup-only user account. I successfully restricted it to scp only using GNU Rush. The scp command below executed on the backup ...
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Version earlier than 0 in Debian OVAL feeds

I'm trying to parse Debian OVAL feeds to establish if some packages are vulnerable or not. I'm using criterions to establish what's the vulnerable version for a package, however often there are ...
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201 views

xhost si:localuser:foo security

With my current setup, I have two user accounts: internet and secure. For the user "secure", all networking is disabled with the iptables rule: -A OUTPUT -m owner --gid-owner 1000 -j DROP The user "...
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206 views

Vulnerable Keys? CVE-2008-0166 openssl DSA Key Signature Blacklist coverage?

Would the current set of DSA key blacklists detect a DSA key that was generated with openssl on an affected/vulnerable system, BUT whose DSA parameters (dsaparam) were generated on an unaffected ...
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Enabling specific access with iptables on Debian

I am running a Debian server that hosts several Docker containers but also works as my router and internet gateway. I am having trouble getting SSH access from outside (specific ipaddresses) working ...
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42 views

Port Knocking origination matching problem

I set up port knocking using first this method using knockd and then I tried using this method using only iptables directly but when both failed I thought I'd check a bit deeper into the problem. ...
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Is it possible to contract a virus on Ubuntu/Debian from an Apache Nutch web crawl?

For the fourth time now I have contracted a virus while doing a large web crawl on webmd.com. I'm not certain that this is where the virus is coming from but I don't see what else it could be. Is it ...
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63 views

Does `npm install` retrieve binaries or sources?

I am starting to use npm install a lot for development, but I fear about its security consequences. Does npm install retrieve binaries or sources? If it's binaries, it's already a deal breaker for ...
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Does this iptables entry indicate someone's trying to break in?

Two days ago I built a Debian 10 server in the United States for use as a file server for my web application. When I created the server, I installed the fail2ban package and configured a basic, ...