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0
votes
1answer
212 views

Counter MAC Spoofing with Cisco

I was wondering if someone could help me with the needed cisco commands to configure a switch to only allow certain mac addresses on certain ports. So that one mac adres can only connect to the ...
-3
votes
1answer
72 views

Is there a way to prevent users from transfer svn checkout files to another computer or data storage?

I have a SVN server under CentOS 6.0 and I would like to know if is there a way to prevent users from transfer svn checkout files to another computer or data storage? Or just similar a encryption ...
0
votes
3answers
6k views

Block All UDP traffic (to prevent ddos) [duplicate]

I have been receiving countless ddos attacks the last couple of weeks. Just now I caught one while I was running iptraf. Normally 99.9% of the packets used on my server are TCP packages, and not UDP. ...
2
votes
4answers
745 views

Older UPS smells like burning

Just trying to investigate cause of an older UPS that smells like burning plastic. Is it likely to be the electric socket, the cooling system of the UPS, or has the unit faulted? If so, what causes ...
0
votes
1answer
171 views

windows xp home security Trojan.FakeAlert - virus/scareware/malware

We have just had our second outbreak of a variant of the Windows XP home security malware (malwarebytes called it Trojan.fakeAlert). It manages to kill our antivirus (nod 32), and then kill attempts ...
1
vote
3answers
215 views

bad switchs duplicate my ip

I had a large area LAN. There were many switch and AP on it, then somehow I couldn't ping my servers, and it's said that the IP was duplicated. I use arpwatch and found out that one of the switch ...
0
votes
1answer
69 views

Ever encountered this “http://mattker.hu/images/image.php” in scripts in your site? [duplicate]

My site was hacked. Most html and javascript files in my site were modified to included the link in the question title. What strategies should I employ to reduce the likelihood of my site being hacked ...
1
vote
1answer
2k views

How to prevent wunderbar_emporium rootkit

I just learned about the wunderbar_emporium rootkit, and it sounds pretty nasty. I tested it on a few linux servers I have access to, and while it failed on two of them, it was successful on one with ...
3
votes
1answer
1k views

How to prevent external direct-link to files with htaccess?

I have this in my htaccess at the public_html folder of my file server: RewriteEngine On RewriteBase / ReWriteCond %{REQUEST_URI} ^/files/* RewriteCond %{HTTP_REFERER} !^$ RewriteCond %{HTTP_REFERER} ...
7
votes
8answers
9k views

Prevent Server Restart after Windows Updates

we have a number of servers in our office, as a small hosting company, and these servers are critical to business, ... web server, mail server, db server, etc. On a semi-regular basis, when the ...
1
vote
4answers
1k views

RAID hard drive preventive replacement

From experience I learned that every hard drive will fail, it's just a matter of time. I have learn my lesson the hard way and now I do backup. When I bough new drive, I often segregate my drives ...