Disable stack protection on Ubuntu for buffer overflow without C compiler flags
I’d like to try some shell codes and I want to disable linux protections.
security
Can someone sniff NFS over internet?
I want to connect to my home server from work using NFS. I tried sshfs but some people say it’s not as reliable as NFS.
Shell Script mktemp, what’s the best method to create temporary named pipe?
I’m aware its best to create temporary files with mktemp, but what about named pipes?
Why are the first 1024 ports restricted to the root user only?
This is more idle curiosity than anything else. A friend of mine asked me ‘which port range is it that only root can use under Linux?’ I told him 0-1024 were restricted. Then he asked my why it was so and… I was at a loss. No idea whatsoever.
How to detect and mitigate the Intel escalation of privilege vulnerability on a Linux system (CVE-2017-5689)?
According to the Intel security-center post dated May 1, 2017, there is a critical vulnerability on Intel processors which could allow an attacker to gain privilege (escalation of privilege) using AMT, ISM and SBT.
Chrome: DNS requests with random DNS names: malware?
Over the years (since 2005), I have seen logs of strange random DNS requests done, on the multiple DNS / BIND servers I have maintained.
How to add a third-party repo. and key in Debian?
I looked at another similar question about adding third-party repos. I am trying to add a third-party desktop IM client called riot . While the site gives link to the third-party it gives no instructions as how to add third-party sources or keyring in Debian. I went through https://riot.im/packages/debian/pool/main/ and made the following additions in my /etc/apt/sources.list –
How should one set up full-disk encryption on OpenBSD?
Is there a preferred method to set up full-disk encryption under OpenBSD, similar to dm-crypt under Linux?
Should I disable the root account on my Debian PC for security?
Your system is available on a network and you want to protect yourself against brute force attacks, so no one can guess your root account password.