Tagged Questions
3
votes
4answers
193 views
What mechanism enforces user permissions in Unix/Linux?
One of the core pieces of security in Unix/Linux systems is limiting privileges by user. For instance, certain actions can only be done by the root user. In theory, this can keep a malicious process ...
1
vote
2answers
157 views
What's the secure way to change UNIX permissions on a harcoded file often?
I'm writing a daemon that monitors something in the OS and flips execution permissions on a file in /run/ back and forth. The file has static contents and the file name is hardcoded in the daemon. I ...
2
votes
5answers
462 views
Security purpose of asking admin password to mount partition on Linux
So I divided my 250GB laptop drive into 2 partitions and some swap. On the second partition which is an ext4 60GB partition I installed Fedora 17. On the other bigger NTFS partition I've got Win XP ...
2
votes
1answer
171 views
Can UNIX Domain Sockets be locked by user ID?
If I created a folder /tmp/me with permissions 700, and started a process under me that starts a listen socket under /tmp/me/socket.
I currently assume that a connection to that socket originated ...
4
votes
2answers
659 views
What are the dangers of storing webserver temp files in the /tmp/ folder?
I have configured my first publicly accessible nginx server. I have configured it to use a /tmp/nginx folder to store temp files. This includes the body of http requests, proxy files etc. The /tmp ...
8
votes
1answer
164 views
What is your default umask set to?
What is your default umask set to? Did you run into any problem setting a stricter default umask?
