9 More Discussions You Might Find Interesting
1. Solaris
Hello Admins,
I just have a curious question on unix passwords...
As unix passwords are encrypted, so any hacker can took those passwds from etc/shadow and decrypt them using any algorithms....and using decryption, he can get the passwd and easily get into the system.....
so how can... (4 Replies)
Discussion started by: snchaudhari2
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2. HP-UX
Is there anyway to trace where a user has logged in from.
Someone this morning deleted some data but I only have the following info from the last command
cromread pts/ta Wed Jul 22 06:55 - 06:57 (00:02)
cromread pts/ta Wed Jul 22 06:43 - 06:46 (00:02)
cromread pts/ta ... (3 Replies)
Discussion started by: spiers
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3. UNIX for Dummies Questions & Answers
Hi to all,
Asking which of the Unix and Windows platform is better may sound stupid...!
But may I know what are the major differences between Unix and Windows in terms of security (authentication, access control, and complexity vs simplicit)?
In which ways Unix does better than windows and... (1 Reply)
Discussion started by: heroine
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4. UNIX for Dummies Questions & Answers
Hi all. I'm so new to Linux I don't even know where to start. I'm running sles 9 and I've had it up for 2 days now. I'd like to start with information on how to secure my server. I want to use it for hosting my personal web site and email eventually.
Does anyone know of a good site that will... (2 Replies)
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5. UNIX for Dummies Questions & Answers
Hello, I'm trying to find a Unix documentation about security! I mean I nead something very complex and complete, not just a document about kerberos, a document about securing against atack ... or others like those. I woulde like if exists, a documentation based on levels of security and expanding... (1 Reply)
Discussion started by: octav
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6. HP-UX
Was wondering if anyone could answer two quick questions... 1) What is the best way to impliment password triviality checking and also checking to make sure a user does not use the same password twice. 2) is there any nice software out there to manage users on multiple machine as far as security... (6 Replies)
Discussion started by: breigner
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7. UNIX Desktop Questions & Answers
Sorry, Unix file security
Thanks (1 Reply)
Discussion started by: DuttO
1 Replies
8. UNIX Desktop Questions & Answers
Has anyone got any info on Unix security - I'm after the very basics as I'm a complete beginner (OS level)
Thanks
Dutt'O (2 Replies)
Discussion started by: DuttO
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9. Cybersecurity
I am starting an audit of unix security within our company and am looking for any information that may assist me with this. I am looking for any tips or pointers that I should be aware of when looking at unix. I am very new to unix so any help will do. Maybe there is someone out the that has had... (3 Replies)
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regex(3) Library Functions Manual regex(3)
Name
re_comp, re_exec - regular expression handler
Syntax
char *re_comp(s)
char *s;
re_exec(s)
char *s;
Description
The subroutine compiles a string into an internal form suitable for pattern matching. The subroutine checks the argument string against
the last string passed to
The subroutine returns 0 if the string s was compiled successfully; otherwise a string containing an error message is returned. If is
passed 0 or a null string, it returns without changing the currently compiled regular expression.
The subroutine returns 1 if the string s matches the last compiled regular expression, 0 if the string s failed to match the last compiled
regular expression, and -1 if the compiled regular expression was invalid (indicating an internal error).
The strings passed to both and may have trailing or embedded newline characters; they are terminated by nulls. The regular expressions
recognized are described in the manual entry for given the above difference.
Diagnostics
The subroutine returns -1 for an internal error.
The subroutine returns one of the following strings if an error occurs:
No previous regular expression
Regular expression too long
unmatched (
missing ]
too many () pairs
unmatched )
See Also
ed(1), ex(1), egrep(1), fgrep(1), grep(1)
regex(3)