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Virtual Hosting
multiple sites on the same IP
Gary_Numan




msg:3148595
 12:46 pm on Nov 7, 2006 (gmt 0)

Is it really so bad to have lots of sites stack hosted on the same IP?

There are 102 sites currently hosted on the same IP number as one of my sites, and I am worried that this might have a negative effect on SEO.

Any opinions?

Gary

 

mack




msg:3149261
 8:41 pm on Nov 7, 2006 (gmt 0)

To be honest virtual hosting is pretty much the norm when it comes to standard hosting plans today. There are only really 2 other alternatives one is to get a dedicated server and place all your sites on this server.

By doing this you can't be pulled down by other sites, that happen to share your IP address. The other is to pay your host for a unique ip for each of your sites. This way each site, even on your shared hosting server gets it's own IP address.

Another alternative if you are very keen to be safe is to have a dedicated server and seperate IP addresses for each of your domains.

The main problem with shared IP addresses is if one site gets banned. It is possible that a search engine such as Google may ban the entire ip, and in doign so all sites on that IP. Having an IP that only you host on is safer, although many sites run on shared IP's with no problems at all.

Mack.

Gary_Numan




msg:3150838
 1:16 am on Nov 9, 2006 (gmt 0)

Thanks for the reply Mack

Gary

nakulgoyal




msg:3150856
 1:30 am on Nov 9, 2006 (gmt 0)

A problem with "The other is to pay your host for a unique ip for each of your sites." is that most hosting companies want to know why you want a unique IP, and they do not easily give away IP's. It's not like, you can go and buy 30 IP's, no questions asked. The only case when it's not questioned is when you are buying a SSL certificate.

Gary_Numan




msg:3151738
 8:22 pm on Nov 9, 2006 (gmt 0)

"It's not like, you can go and buy 30 IP's, no questions asked."

Why not?

I can't see anything sinister or underhand about such a request.

Why would anyone ask questions? What has it got to do with anybody else, surely it's an innocent business transaction?.

It is not like I look like Osama Bin Laden and I want to buy five tonnes of ammonium nitrate fertilizer to 'help my roses to grow' is it?

Don't see an issue, are IP addresses in short supply?

Confused :/

mack




msg:3151939
 12:38 am on Nov 10, 2006 (gmt 0)

Most hosts will just take the money and provide an IP. In a perfect world hosts are suposed to look after IP alocations, after all there are only so many combinations.

The expense of purchasing IP addresses is suposed to be enough of a deterent to prevent people getting IP's just for the sake of it.

Mack.

jtara




msg:3152031
 1:52 am on Nov 10, 2006 (gmt 0)

In a perfect world hosts are suposed to look after IP alocations, after all there are only so many combinations.

The expense of purchasing IP addresses is suposed to be enough of a deterent to prevent people getting IP's just for the sake of it.

AFAIK, there is no policy, official or otherwise, against one site = one IP.

IP allocations are supposed to be justified. But really what is dicouraged is allocating IPs that won't be used.

"Uh, I want 1,000 (or 10,000, or 1,000,000) IPs because I think that's how many I'm going to need next year."

No.

Not unless you can show a history of that kind of need.

If you look in the small print at ARIN (the agency in charge of IP allocations in the Americas and Sub-Saharan Africa) I think you'll find there's even a policy for taking-back IPs. But the criteria is that they have gone unused.

FWIW, my (VPS) hosting provider charges $2 per IP, one-time (no monthly fee). So this need not be horribly expensive. I have one IP for every site. I do combine alias domains for the same site on one IP.

If for some reason you want to support HTTP <1.1 browsers, and want redirects to the primary site to be handled properly, it takes 2 IPs per site. (One for the primary, one for all aliases.) After looking at the browser stats, I decided that was overkill.

Here's one negative to having a unique IP address: you will be subjected to a higher volume of attacks. Some atackers scan through a list of domain names, others through blocks of IP addresses. Those that go through blocks of IP addresses will only go to the first site (usually a dummy) on a virtual host.

Shiznaught




msg:3154110
 7:07 am on Nov 12, 2006 (gmt 0)

I've been grappling with the same issue, and I decied to open a new svirtual account for my next site. the problem is finding a reliable host that will let you set up unique ips for each site.

nakulgoyal




msg:3154360
 4:49 pm on Nov 12, 2006 (gmt 0)

I have had trying to buy IP's from 3 hosting companies lately, and ASO being one of them. Same thing with Midphase and 1 more. They all say we can not issue IP's unless you need it for SSL. Am I missing something? Care to recommend some hosts with cpanel that will let me buy IP's easily?

mack




msg:3154366
 4:51 pm on Nov 12, 2006 (gmt 0)

Please, we can not recomend specific hosting companies. Some are more strict than others, but in most cases as long as you are able to provide a good reason for needing to purchase an aditional IP they will provide it for you.

Mack.

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