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Questions tagged [host]

239 questions
3
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5 answers

Pointing www to a CDN(Akamai)

Why would someone point(CNAME) www.example.com to a cdn? When I run host on Etsy, I get a [c]$ host www.etsy.com www.etsy.com is an alias for www.etsy.com.edgekey.net. www.etsy.com.edgekey.net is an alias for…
Quintin Par
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2
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1 answer

.htaccess block access when HTTP_HOST is IP (Security)

I have had a lot of attacks on my server. Most start with a vulnerability scan, followed by waves of POST requests. I will soon be implementing Cloudflare (WAF and DDos). This means that a DNS lookup on my domain will show the IP address of…
Ryan B
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2 answers

Why is the 'host' command returning different results when attaching "http://" to domain

Today I was shocked when checking where the staging domain of my website was actually pointing to. I was assuming by some sloppy configuration of either the domain or our company network, my stage-Domain somehow pointed to the production server. So…
S. Parton
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2
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0 answers

sendmail localhost host name lookup failure

I am starting to see a certain type of email that is causing problems for our users. I am running sendmail on Fedora with mimedefang-filter. When this certain type of spam comes in with random characters in the subject and body, it eventually…
xivix
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2
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2 answers

FreeBSD & Jails: Send mail through Postfix in Jail

I have FreeBSD 10.2 and I'm using several Jails, one of them has Postfix installed. I want my other jails and my host system to use the local Postfix installation in the Jail. They should use sendmail to submit their mails to the Postfix Jail. What…
basbebe
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2
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1 answer

Nginx Virtual host 403 Forbidden

I have just brought a domain name (example.com) and have setup a URL frame redirection to my server's IP XXX.XXX.XXX.XXX, however I am getting a 403 forbidden error. I can access pages fine via the server IP. What I want is to copy the behavior of…
Gmeister4
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2
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2 answers

Confused about Linux Hostname, DNS Hostnames and FQDN Hostname

This might sound stupid and basic to some of you, but I am still so confused about this even after reading numerous sources on the net. My questions still unclear are: Is the Hostname in machine (for example when typing hostname in debian OS ssh)…
Neel
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2
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2 answers

I have a list of netbios names and want to find the IP addresses

DNS is spotty in the network, but netBIOS in enabled on most machines. I have a dozen netBIOS names for Windows servers somewhere in the network. It is impossible to just go to all machines, log in and ipconfig them. I don't know in the world…
Wolf Halton
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2
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3 answers

when use . after myhost.mydomain in config files?

I noticed sometimes '.' can be seen at the end of myhost.mydomain so it is myhost.mydomain. ^^^ statement. Where should I use this '.' at the end? Currently in etc/hosts I don't use ending '.' Also not in local-host-names, and…
user107788
2
votes
4 answers

Access device by its name in a LAN

I have several devices (including desktop, laptop, smartphone, etc.) connected to my wifi router. They have difference IP addresses each time according to the order they connects, so configuring /etc/hosts probably does not work. How can I access…
onemach
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1 answer

Fall back if site is down

Alright so I was just wondering how one would go about setting up a system that points to a different server if your main server goes down. In our instance we host a site on Windows Azure, but when Azure goes down, it would be nice to be able to…
Kelly Elton
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2
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1 answer

DC in Hyper-V VM after reboot is not working

I have a Hyper-V Host with a couple of VMs a guest. One of the guest is the DC. There is only on physical server, so I have only one DC as a Vm (I know, it is not a good solution to have only one DC, but we are limited to on physical server). All…
Chris
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2
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1 answer

Centos /etc/hosts doesnt resolve my hostname

[root@data001 etc]# hostname data001.dd [root@data001 etc]# ping data001.dd ping: unknown host data001.dd [root@data001 etc]# How do I fix this? This is on a fresh Centos6 build...does this not come configured by default?
DD.
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2
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1 answer

MySQL Server "No such host is known"

I am seeing a weird MySQL warning in Windows server event viewer. The error says : IP Address 'xx.xx.xx.xx' could not be resolved: no such host is known. Any idea what this means and how critical it is ?
Nik
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1 answer

host dns lookup curiosity

Can anyone help me understand this :-- %)-- host brahma.mksh.net Host brahma.mksh.net not found: 3(NXDOMAIN) now when I run dig with trace.. I get the A record for brahma.mksh.net that I've assigned.. %)-- dig brahma.mksh.net +trace ; <<>>…
manish
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