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1
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1answer
19 views

Postfix - how to prove the error 450 4.7.1 <domain.com>: Helo command rejected: Host not found;

a customer is trying to send me a email but gives in my postfix log: NOQUEUE: reject: EHLO from mail.domain.pt[xxx.xxx.xxx.xxx]: 450 4.7.1 <otherdomain.pt>: Helo command rejected: Host not ...
-1
votes
0answers
26 views

Issue configuring apache2

I deployed 2 applications on an EC2 instance: 1) A Python application developed with Django 2) A web site First I deployed my Python application and it worked correctly, as I could invoke a REST API ...
0
votes
1answer
15 views

How to set up host mapping with Apache

I use several services that allow for host mapping to their servers. An example is ZenDesk, which the default address would be company.zendesk.com but you could for example use helpdesk.company.com (...
0
votes
1answer
26 views

Switch domain between 2 sites, one is Amazon EC2 ubuntu instance , another is hostgator [closed]

There are two registered domain name, and I would like to switch the domain name between 2 sites. The problems are : 1) in amazon Ubuntu, I follow the guidelines : http://docs.aws.amazon.com/AWSEC2/...
1
vote
1answer
18 views

How to create a symmetrical Host - VM setup

So I'm in a rather annoying situation where about half of the work I do requires a Linux based environment to work on, and the other half requires a Windows based environment. Unfortunately I need to ...
-1
votes
1answer
18 views

Data lost in terms of data transmission

I have a newbie question. We learned that data can be lost in many ways during data transmission between hosts, we also learned several methods of error detection and correction. My question is, ...
0
votes
3answers
31 views

Email for domain vs subdomain at two different locations [duplicate]

I would like to know if I have a domain foo.bar and want to host the main email server at other provider, such as by google, simultaneously having another email server subdomain.foo.bar locally. In ...
0
votes
0answers
39 views

Nullmailer: Unable to resolve host

After installing Ubuntu on my VPS the hostname was Ubuntu-1404-trusty-64-minimal. I changed it to hetzner-backup-1 and rebooted. What I did: I did nano /etc/hosts and added: 127.0.0.1 localhost....
0
votes
0answers
43 views

how to setup dynamic subdomain name in host file

I am trying to setup virtual domain in my localhost dynamically. i have setup in httpd-vhost.conf and its working fine. then i setup in hosts file which present in C:\Windows\System32\Drivers\etc my ...
-4
votes
1answer
26 views

GET COMMAND in HTTP Request

I cannot use GET command to get the web site body content only. For example: [root@mrtg home]# echo -e "GET / HTTP/\r\nHost: test.com:80\r\n\r\n" | nc 192.168.1.201 80 HTTP/1.1 200 OK Date: Sun, 20 ...
0
votes
1answer
26 views

enabling virtual hosts in apache 2.4 or later

I'm using apache http server 2.4 on debian 8. I seem to recall from a few years ago that if you wanted to have virtual hosts, you have to enable this by adding a line to your main apache config file. ...
0
votes
1answer
30 views

SNI: Can I find out which hosts share the same IP? [closed]

The setup is the following: I know that a host uses SNI (e.g. universal.at on IP 91.236.122.125, the test says so). I know that I can find out one other host that is also hosted on the same IP ...
-1
votes
1answer
49 views

D-LINK DSR-250N lan issues

I'm having problem with my DSR-250N router. I set-up local network with 10 computers. Some of them are connected through wire and some use wireless. The problem is, sometimes one computer cannot ...
0
votes
2answers
103 views

Modifying OpenLDAP Schema - Adding 'host' attribute to 'person' objectclass

We have a legacy custom webapp that authenticates users against an OpenLDAP server. We are trying to set up another, separate OpenLDAP server to replace the older one, but we need to make the new ...
0
votes
0answers
49 views

Wireshark doesn't filter correctly http.host

When trying to filter for a specific host with http.host=="abc.com" it shows me everything instead of only the related packets. What am I doing wrong? Wireshark 1.12.6
0
votes
1answer
241 views

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 ...
4
votes
2answers
159 views

Other domains on shared server showing my webpages

I own a website (gosportweather.co.uk) which is hosted by the same company as other websites on a shared server. The problem is I am noticing that these other websites appear to be showing my webpages ...
1
vote
1answer
25 views

Why cannot I query DNS with `host -a`, but yes with `host`?

I changed my DNS and I'm having this problem: > host grupoesoc.es grupoesoc.es has address 178.62.234.188 grupoesoc.es has IPv6 address 2a03:b0c0:2:d0::127:6001 grupoesoc.es mail is handled by 20 ...
3
votes
2answers
88 views

Host File entry depending on own IP?

I have two different Networks at two different places: 192.168.10.0 / 255.255.255.0 192.168.20.0 / 255.255.255.0 Now I want to define a host entry on my windows pc, who maps either 192.168.10.1 or ...
1
vote
0answers
243 views

why is a wget to http://graph.facebook.com resolving to my server's IP?

This makes absolutely no sense and I spent 3 hours trying to figure this out. Suddenly all my scripts connecting to Facebook stopped working, so I tried to do this: root@s01 [~]# wget http://graph....
0
votes
0answers
50 views

Assigning a static IP to a Windows 8.1 Pro Hyper-V host

I have a Windows 8.1 Hyper-V host. It has 2 interfaces. One interface is dedicated to hyperv vms (uses physical device "Broadcom NetXtreme Gigabit Ethernet #4) The other interface (Broadcom NetXtreme ...
0
votes
1answer
35 views

Using IPs for websites also for their name servers [closed]

My new web hosting company (managed VPS) suggests I use the two IPs assigned to my websites as the name servers for those same sites. (One IP is dedicated to one site, the other IP will be shared ...
0
votes
0answers
172 views

sending email using gmail smtp is working when running my project inside visual studio only

I am working on an asp.net mvc5 web application and I have the following action method to send emails using gmail smtp :- [HttpPost] public ActionResult Contact(Contact c) { ...
1
vote
1answer
32 views

Virtual hosts instead of separate IPs?

I've been wondering if it's possible to host multiple applications using a single port on one IP address. I'm meaning a similar method to Apache Virtual Hosts where you can assign domains/subdomains ...
0
votes
1answer
1k views

Change Xenserver 6.5 Pool Master

I'm looking to change the pool master because my current pool master is having some hardware issues. I've disabled HA and I came across this script to change the pool master to my other server: xe ...
0
votes
1answer
42 views

Virtual host with ProxyPassReverse and preserve sub link

I'm hosting a web site using Apache and i'd like to create a virtual host like freepbx like mydomain.com/freepbx. freepbx runs on port 7000, and when I create the virtual host it automatically ...
-2
votes
1answer
21 views

Changing from local server to web host but keeping mail in local server

I am trying to shift my client's website from their local server to a web host, they pointed domain to my web host ip address (A record), however, it does not work. I understand that if I were to ...
0
votes
0answers
235 views

How can EC2 internal (10.X.X.X) IP addresses be mapped externally?

On our work internal network we've got a link to an Amazon domain. One of the servers we're talking to is: 10.29.112.X. Now this address starts with 10, so I expect it is an internally mapped ...
0
votes
1answer
98 views

Postfix not receiving mail for virtual domain from outside (only locally)

I have postfix mail server running at mail.123.com (ip eg 1.1.1.1), then I have site books.com (ip eg 2.2.2.2) and it's DNS records like this: MX record as mail.123.com A record mail.books.com same ...
0
votes
1answer
141 views

Host command returns two different IP addresses when run sequentially

Here's an interesting problem: ~ $ host gitlab.myorg.com gitlab.myorg.com is an alias for aln7git01.myorg.com. aln7git01.myorg.com has address 172.30.9.197 ~ $ host gitlab.myorg.com gitlab.myorg.com ...
2
votes
2answers
204 views

AWK + Host lookup

Currently using the following line to get top 20 ips sorted by requests: grep 'GET /' /var/log/nginx/access.log | awk '{ print $1 }' | sort -n | uniq -c | sort -rn | head -20 Output: 575 66.249.*.*...
0
votes
1answer
53 views

RDS Login for additional RDS-Host not possible

Following Situation: Server 2012 R2 (Name: TS) - RDS Gateway, Broker, Host - In LAN - Self created certificate "rds.example.com" Server 2012 R2 (Name: TS1) - RDS Host - In LAN - Self created ...
1
vote
2answers
1k views

How to import or export nagios host Data from command line

This might be a basic question for some of you but being a beginner i wanted to know how to export or import data of the current status(CPU, Memory, Diskspace etc) of the host from command line into a ...
-6
votes
1answer
269 views

What cause this error? [closed]

I am running two docker containers one is for hadoop basic services and other is for flume. Services are running successfully. I linked two containers env variables are automatically set by docker ...
0
votes
1answer
200 views

Adding hosts to existing 2012r2 Hyper-V cluster

Situation: Two separate clusters, server 2012 and server 2012r2 In process of disassembling the 2012 cluster and upgrading those hosts to 2012r2 Prior to this I must move all of the guests to the ...
1
vote
1answer
2k views

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 ...
2
votes
2answers
464 views

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 (...
-2
votes
1answer
66 views

TCP ports duplication [closed]

I need to communicate server1 to server2. Server1 should have to fetch some records from Server2 when we execute program.exe will make server1 to fetch server2 When I gave netstat -an | find "server2"...
-1
votes
3answers
2k views

Is it possible to transfer an IP address from one host to another?

I have a client that created over 600+ websites whose DNS records point to an actual IP address and not name servers. They are looking to move from their current host and do not want to lose their IP ...
0
votes
1answer
97 views

Weird Ad site has appeared on my domain while name server is being transferred. Is this normal?

This morning, I tried switching the name servers to one of my godaddy domain names over to hostgator name servers. I was told it can take up to 48 hours for this switch to be made. I just checked ...
-1
votes
2answers
2k views

How do I make my godaddy domain automatically redirect to a github page [closed]

I recently bought a .com domain (call it mydomain.com) from godaddy and I'm trying to make it so that whenever someone types in mydomain.com, their browser will load mydomain.github.io. I've already ...
7
votes
1answer
338 views

Linux/Unix - /etc/sudoers - host definition

can anybody tell me in which case the sudo host definition is useful? I mean this part of a line in the sudoers file: bob host1 = NOPASSWD: reboot In which environment (except sudo via LDAP) do I ...
1
vote
1answer
283 views

Apache2 virtual host redirection issue on Chrome

I am having an extremely bizarre issue that seems only present on Chrome, IE and Firefox are fine. I have 2 website being served by 1 IP address, I have 2 identical files in sites-available named ...
1
vote
1answer
568 views

Creating multiple Virtual Hosts in Apache the right way (macosx)

I got a strange problem trying to define multiple virtual hosts in Apache. This is my code for httpd.conf file: <VirtualHost *:8888> ServerName site1.local DocumentRoot /Applications/...
1
vote
1answer
2k views

Locally resolve a name in a DSN lookup (Host not found: 3(NXDOMAIN))

I have a Ubuntu 14.04 Server virtual machine in which I would like to resolve a symbolic name to an IP address locally (i.e., the machine itself should provide the mapping). The mapping is the ...
0
votes
2answers
185 views

On EC2 - How can one instance telnet the other using ip-XXX-XXX-XXX-XXX format

(Noob @ unix&EC2) I created 2 ubuntu instances at EC2. I needed to cluster one of my services and following the tutorial I used the format ip-XXX-XXX-XXX-XXX (i.e. ip-123-456-789-012) as ...
0
votes
2answers
2k views

Point to Point Connection Between Two Hosts

I am trying to set up a point to point connection between two Linux host machines. I've connected both of them with crossover cable, but they can't ping each other. Here are the configurations for ...
0
votes
1answer
881 views

smbclient -M nt_status_bad_network_name error

I am trying to send a test message (for a test project) from my Ubuntu Virtualbox Guest to my Windows 8 host. I am getting the error nt_status_bad_network_name error. What I know that works: I can ...
4
votes
4answers
33k views

FTP/FTPS/SFTP/SCP - Speed comparison [closed]

How do FTP, FTPS, SFTP, and SCP compare in terms of transfer rate and how can I compare them through testing?
-1
votes
2answers
76 views

Is possible for a vps service with own ip addresses to have ports restricted? [closed]

I am looking for a cheap vps service, and i found some, but the most appellative i found for what i need ("fileMedia") has a really bad translation on its page and there is something which is leaving ...