VPS Audit On Technical Skills

Apr 27, 2008

I am thinking of Futurehosting.biz unmanaged server.

Can you please see if these skills are enough:

(1) Futurehosting will do the security setups.

Skill-sets:

(2) use of ssh to backup mysql, directory contents; do file management (create directories, move files); restore mysql

What other skill-sets do i need?

(3) do i need to know how to install o/s? (gulp!)

(4) setup email accounts?

(5) create sub-domains?

I thought of downloading webmin (i read about it in the other posts but have no experience) and will it help in points (3) to
(5)?

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Lynis (Unix Audit Tool), Technical Input

Jun 22, 2008

After peeking around at this board for some years, I decided to create an account.

I'm the original author of Rootkit Hunter and decided to create a new tool, named Lynis.

Lynis is an auditing tool for Unix (Linux, BSD and other). It scans the system and available software to detect security issues, bad/insecure configuration options and unsafe file(s) permissions. It tries to assist administrators in using and maintaining best practices, but also in the common things which get forgotten (like expired SSL certificates).

Though Lynis has been available for some months now, and many
updates/suggestions have been implemented, it still can use a broader user base. So my issue (we are in the technical issues section after all) is that I like more input and want to know what other people audit on their systems. Or what tools they like the most. Of course I have many ideas myself, but with the many different people here (in skills and specialties), every input is most likely improving the tool and increasing security for others as well.

In case you like to try the software (GPL, free to use), the software can be found at www . rootkit .nl (can't use URL's yet, due 5 post policy)

Since I don't only want to announce my tool (but like to have some input), I placed it in this section, hope it doesn't look like a "commercial" sell.

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Company Recommendation For Security Audit

Jan 5, 2007

Can someone recommend an affordable shop that performs security audits a more specifically network and web-application penetration tests?

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Monitor/audit Inbound/outbound Emails

Apr 18, 2008

any good solution for corporates out there?

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Plesk 12.x / Linux :: Empty Modsec Audit Log?

May 26, 2015

I'm testing Plesk 12.1 and noticed after enabling ModSecurity, the modsec_audit log file is empty.

I'm running CentOS7.1 w/Plesk 12.1.23

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Technical

Mar 26, 2007

I was wondering the following:

1) How many client accounts is it safe to run under a VPS with 256MB RAM, provided that the clients will be using Virtualmin (safe?) and max a forum each (say phpBB) with regular expectations/traffic.

2) Why do people limit the number of MySQL client databases living in a server. Is it reliable service (won't crash) to provide 5 mysql dbs per client in the above VPS specs?

3) How do I limit the quota on a MySQL db? For example 50MB of space per db.

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Technical Inode Limitations

Apr 2, 2008

Warning: I do not want to re-open discussion on some previous threads about the legality of inode limitations. If it gets to that, please feel free to close this thread.

Reading through some other posts about inodes made me look at my own VPS setups. I use XenSource 3.1 on a CentOS 5 Dom0, using LVM for VM storage. When I create a new virtual machine (CentOS5 or Ubuntu, etc) I format the root filesystem with ext3. I use all the defaults, including number of inodes. So for a 20 gigabyte filesystem, I get:

Code:
Filesystem Size Used Avail Use% Mounted on
/dev/sda1 20G 453M 19G 3% /

Filesystem Inodes IUsed IFree IUse% Mounted on
/dev/sda1 2621440 13861 2607579 1% /
Would there be any advantage to limiting the number of inodes a VPS has? Sure, if you had 200,000 inodes instead of 2.6 million inodes, you would have more available space. But there doesn't seem to be a hard limitation on the disk drives I'm using (WD 250GB SATA using linux software raid 1). I assume I could set any amount of inodes to a filesystem?

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New Company: First Technical Steps

Nov 7, 2007

I have moderate experience in administrating. I recently got a quarter cabinet, and I have 2 servers in there.

I have registered a company name, as a domain which is currently hosted at GoDaddy (www/mail) (mydomain.com)

But I have installed centos5 on one server, and called it web1.mydomain.com, added the web1 CNAME in GoDaddy's DNS control. Even did an rDNS to it through my provider.

I have installed Webmin on it to help me add virtual servers (who will be my customers)
And web1.mydomain.com has a mail server on it (Postfix).
Might even put DNS on it. These virtual servers will send emails as well (as I'll be hosting them)

But for now, what will be my next steps in getting my mail server (or the main server) accepted in the web world, for example, I've done SPF records, and rDNS. But what else do I need to do so my email is accepted everywhere?

The virtual domains will be sending mail using the postfix, and ofcourse it'll mean they're piggybacking on web1.mydomain.com, so I guess I need to do stuff so email from web1.mydomain.com will be accepted worldwide.

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Windows Server Technical

Oct 29, 2007

I am running Windows Webserver for more than 2 years.

I wanted to ask that, does anyone ever has bad experience with Windows Server ? Like ASP problems, like ASP connections limit FULL, or server Halt or Restart due to huge requests of ASP or ASP connections limit on server. Please let me know if you experienced any such issue.

I am thinking to use ASP pages fully with huge traffic on Windows Server (but i doubt that maybe there could be some ASP limitations when large amount of ASP pages open, it creates some problem). Or do you recommend Linux servers over Windows for High Traffic website ?

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Powweb Live Technical Support

Sep 5, 2008

The sales Live Support of powweb is great but after signing up an account with them, the technical support seems to be very bad.

I need to wait more than one hour to get a support staff.

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BustNET Technical Support Is The Worst

Nov 9, 2008

I have been in internet business since 1996 and I never have such a bad hosting provider as BurstNet, I am really amazed of the quality of the technical support.
Since friday 19:00 till today I have no web services because an error causing high CPU load averages of almost 270%.

The restarted my server twice that day (see it on my logs), I really dont know why, and they dont want to tell me, and since then the server has this problems.

Looking to my logs I found errors provoking high I/O waits, I explain all this and send this and other logs:

-----
Nov 8 09:53:16 ***** kernel: [47129.296313] sd 2:0:0:0: SCSI error: return code = 0x08000002
Nov 8 09:53:40 ***** smartd[6316]: Device: /dev/sda, 1 Currently unreadable (pending) sectors
Nov 8 10:03:54 ***** kernel: [47129.296316] sda: Current [descriptor]: sense key: Medium Error
Nov 8 10:07:27 ***** kernel: [47129.296319] Additional sense: Unrecovered read error - auto reallocate failed
Nov 8 10:11:47 ***** kernel: [47129.296326] Descriptor sense data with sense descriptors (in hex):
Nov 8 10:15:22 ***** kernel: [47129.296329] 72 03 11 04 00 00 00 0c 00 0a 80 00 00 00 00 00
Nov 8 10:18:09 ***** kernel: [47129.296340] 00 33 1a b2
Nov 8 10:18:21 ***** kernel: [47129.296345] end_request: I/O error, dev sda, sector 3349170
Nov 8 10:18:21 ***** kernel: [47129.296373] ata3: EH complete
----
Right now the load averages are 0 because I stopped Mysql that seems that is causing the high cpu load (because of the hard drive error).
After 14 hours waiting for the URGENT TICKET they say:
-----------
Brian S.11-09-2008 - 12:04AM
I am seeing no unusual load on your server at this time:
---------------------------------
login as: root
root@66.197.157.149's password:
Last login: Sat Nov 8 13:00:44 2008 from 189.143.246.156
[root@**** ~]# uptime
22:54:03 up 1 day, 2:34, 2 users, load average: 0.00, 0.00, 0.00
[root@**** ~]#
---------------------------------
Again, I explain it again, now I receive this answer:
----------
Kevin B.11-09-2008 - 11:28AM
Hello,
This server seems fine.
[root@***** ~]# w
10:18:50 up 1 day, 13:59, 2 users, load average: 0.07, 0.02, 0.00
------------
Why If I explain there is an error, with log files proving it, they don't read my messages! the simply don't read the messages or what is going on? I really don't get,

I explain the problem!
Maybe the only way they can put attention is driving the server again to that high load averages right?

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Site Useful For Technical Support Person

Jul 13, 2008

can any body list some sites that are useful for refering to technical matters that we face in web hosting support companies.

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24/7 Sales/Technical Support Service

Sep 2, 2008

How can I do marketing for my 24/7 webhosting sales and technical support service?

I know SEO is a methods but another?

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Hardware/Technical Requirements To Host A TLD

Jul 1, 2008

if anybody is looking into hosting their own TLD with the new ICANN decision? I'm wondering what the requirements would be? And has anybody seen/heard any mention of what the registration fees are likely to be, I know there will be bidding on names in dispute...maybe this will be the case for every worth-while TLD.

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From A Technical Point Of View: SMF Vs. MyBB

Feb 4, 2007

I know there are many threads covering similar topics but their answers often do not contain technical arguments but rather subjective reasons and I'd like to know whether there are also some technical reasons to favor one of these two forums over the other.

Does one handle a higher load particularly well or does one have the cleaner code or is there any other reason to choose one over the other?

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Which Web Sites For Technical Information On Windows Hosting

May 15, 2007

I work for Microsoft. Used to be a regular participant on Web Hosting Talk a few years ago (then moved over to Europe at that time). I've been doing some work recently that has led me back to the community here to ask for some input on where administrators of Windows-based hosting services go to find technical information.

How often might you use the following two Web sites?

1) [Hosting Solutions on TechNet]

2) [Windows Hosting Discussions]

I've just re-registered a new account so I have to do the five post thing before I can insert links, otherwise I'd to a direct link to the two above. If you're not familar with them, just do a Web search for those phrases and the sites will be at the top of the list.

Are there other Web sites that you use regularly for technical information on operating Windows hosting services? Or do you mostly just enter a phrase in Google and temporarily use the Web site/s that come up in the search results?

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IWeb Technical Support Reps And System Admins Dont Understand Basic TCP-IP Networking

Aug 22, 2008

I want to pass on a warning before anyone goes with iWEB. I just ordered a $269 a month dedicated server so I could run vmware on it for my own virtual machines that I need.

With this server I got 7 IPs.

The primary IP they assigned me is say for example: 70.xx.15.171 with a GW of 70.xx.15.161. The secondary ips they issue me are 70.xx.18.249-254. So these are on a completly different subnets.

After talking on the phone to several differnt people including tech support who tells me this will work jsut fine useing thoes secondary ips on my VMs and to not put a gateway address. I talk to my account manager he says to open a ticket that he will forward to their system admins.

This is the ticket I opened.

I just got a new server set up CL-T113-140CL. It was
assigned the primary ip of 70.xx.15.171 with a GW of 70.xx.15.161. My
secondary ips are 70.xx.18.249-254. The server we got from you is a
VMWare host. We need to use the secondary IPs for the Guest VMs. How
ever the primary and secondary IPS are on different subnets and so
the VMs useing the IPs 70.xx.18.249-254 can not talk to the gateway.
I need to have a gateway server IP to use for my VMs.

Please either give me a valid GW address for the 70.38.19.x subnet or
assign new secondary IPs on teh 70.xx.15.x subnet with a SM that can
talk to the 70.xx.15.161 GW assigned.

this is the reply I get back from their system adminstrator

The gateway to be used for your secondary IP addresses is the same as
the one for your primary. You should not have anything to change,
gateway-wise. Just leave the current one as default gateway and
everything should work just fine.

If there is anything please do not hesitate to contact us.

Regards,

--
=================================================
Jean-Francois Doucet [iWeb]
System Administrator / Administrateur Système
Support / Client Hub : [url]
[url]
=================================================

Are they brain dead at iWEB? DO they understand basic TCP-IP networking at all?

Here is my last reply. I tried to make it real simple for them to understand.

This does not address the issues. Do you even know what a virtual
machine is? It is a virtual computer running on the host computer.
The host computer has a valid ip address of 70.xx.15.171, sm:
255.255.255.224 gw: 70.xx.15.161. The virtual machines (or guest
operating systems) if I assign it the IP address of 70.xx.18.249 SM:
255.255.255.248 with no gateway it is physically impossible for it to
reach the gateway of the host pc 70.xx.15.161. You have to understand
the Virtual Machine operates as a completely separate computer. It
requires its own gateway. with no gateway specified it has no way to
get out of its local subnet to get to the 70.xx.15.x subnet. What
happens if you put two physical computers on one hub. The computer on
port 1 of the hub has the IP info 70.xx.15.171 SM: 255.255.255.224 GW
70.xx.15.161. The second computer is on port 2. It has the ip info
of: 70.xx.18.249 SM: 255.255.255.248 GW: NONE.
How is the pc on port 2 going to communicate with the pc on port
1? This is the exact situation we are in. There has to be a
gateway to route the IP traffic from pc2 to pc1 to get onto the
internet.

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