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10
votes
4answers
3k views

Securing file system for secure SFTP server

This might not seem as a development question, but in essence it is. Let me explain how. Our main development focus is dynamic content pages. Some of our customers have asked us to allow them space ...
4
votes
5answers
1k views

How do you setup a DNS server in order to be able to add records on-the-fly?

I need to host a subdomain-based SaaS application on a bunch of servers. Servers are xx1.example.com, xx2.example.com and so on. I want to have a bunch of yyy.example.com sites hosted on those ...
4
votes
3answers
10k views

DHCP failing to update DNS

We have a Windows Server 2003 SP2 machine that is a domain controller, DNS server, and DHCP server. (We realize that having all three roles running on the same computer is not the optimal ...
3
votes
5answers
6k views

Finding out if an IP address is static or dynamic?

I run a large bulletin board and I get spammers every now and again. My moderation team does a good job filtering them out but every time I IP ban them they seem to come back (I'm pretty sure it's the ...
3
votes
2answers
2k views

How do you set up dynamic cname records?

The project I'm working on requires that we mask AWS EC2 host names with our own subdomains. For example: ec2-176-34-163-40.eu-west-1.compute.amazonaws.com would map to gf53ef.domain.com and ...
3
votes
4answers
358 views

Looking for a loadbalancer [closed]

I am looking for an open source loadbalancer for linux. My requirements are simple. I want One load balancer infront of multiple webservers. It should be able to split the load evenly among the ...
3
votes
2answers
3k views

MS SQL Server Dynamic Port Range

I understand that a SQL server named instance will default to dynamic ports, and I know HOW to change that to a static IP: ...
3
votes
2answers
196 views

Specify IP + guest hostname on a virtual machine (without booting it)

My question is simple but I am not sure if it is possible : Is there a way to specify a custom IP address AND a different hostname before I boot a virtual machine from VMWare Workstation ? (Win 7 or ...
2
votes
3answers
8k views

Creating a Dynamic Group in Active Directory with users from a OU

I would like to create a dynamic group with users from a specific OU in my Active Directory. I can do this perfectly using Exchange Dynamic Distribution List, but of course, Ex DDL's are only for ...
2
votes
2answers
1k views

NGINX: dynamic locations stored in DB

Is there a possibility to store nginx locations in DB instead of the config to serve them dynamically? The task is to create dynamic URLs for video files based on user's IP and video ID. The idea ...
2
votes
3answers
761 views

Is it possible to define a block in a zone file as constant in Dynamic DNS (using bind)?

bind mangles my zone file every time a DNS update is done. If defining a block as constant isn't possible, is it possible to have 2 or more zone files describing one domain? The intent being one zone ...
2
votes
3answers
1k views

multi-master replicated dynamic dns subdomains

For lack of a better title. Our environment requires having subdomains where we allow dynamic updates using bind as the DNS server and its nsupdate utility authenticating via keyfiles. We're looking ...
2
votes
2answers
223 views

set up a SSH server

I set up a SSH server on my Ubuntu on my laptop by OpenSSH. While ssh localhost is okay, I try to first ssh to another computer from, and then from there ssh back to my laptop with its external IP ...
2
votes
1answer
8k views

DHCP not actually updating DNS even though logs indicate otherwise

This question is sort of a follow-up to this previous question: http://serverfault.com/questions/34553/dhcp-failing-to-update-dns We have a Windows Server 2003 SP2 machine that is a domain ...
2
votes
2answers
434 views

IIS 7: launch unique site instance per host name

Is it possible to configure IIS 7 so that a single site with multiple bindings (or wildcard bindings) will launch a unique instance for each unique host name? To explain why this is desirable, we ...
2
votes
1answer
62 views

Sort Dynamic Virtual Host Folders

I'm trying to set up a dynamic virtual host for the first time with apache. Is it possible for be to implement some sort of folder sorting system? For example the first ten sites are in: /Vhosts/1/ ...
2
votes
1answer
2k views

Configuring openldap multimaster replication using cn=config

We currently have a single OpenLDAP server using the cn=config backend. We'd like to add a second OpenLDAP server and configure them for multimaster replication. What do we need to do to enable ...
2
votes
1answer
838 views

Chef - multiple files dynamic template resource

I'm trying to find a way to apply template resource dynamically on all files which are in a folder inside the cookbook's template folder. something like: Dir.foreach("../templates/default/shared/") ...
2
votes
2answers
109 views

Harvesting Dynamic HTTP Content to produce Replicating HTTP Static Content

[I asked this on stackoverflow.com, but they thought that this list would be better] I have a slowly evolving dynamic website served from J2EE. The response time and load capacity of the server are ...
2
votes
0answers
156 views

Dynamic VPN tunneling technologies

Ok, so I'm asking a more specific question this time. I'm writing a paper about Cisco's DMVPN and one of the tasks I have is to make the analysis of available network solutions which use dynamic VPN ...
1
vote
3answers
137 views

How do I figure out what dynamic libraries are loaded by a Unix process?

I want to run a Unix program which runs for a few seconds, without sacrificing speed of execution. After it is done, I would like to know what dynamic (shared) libraries it used. What is the ...
1
vote
3answers
360 views

Specify Dynamic IP of SSH server on the client side

I am trying to set up a ssh server at home connected to internet via wireless router. Since its IP is dynamic, how do you specify its address on the client side? Thanks!
1
vote
3answers
1k views

Apache dynamic aliases

I've got LAMP setup on a VM that I use for multiple projects. My document root is a /www and I create a folder for each project within it. /www/project1-name/ /www/project2-name/ I access them in ...
1
vote
2answers
551 views

how to map domain name to dynamic ip address

I have registered a domain www.blah.com and I would like to point this domain to my home computer which it is using adsl with dynamic ip address. More info: My router has dyndns client and my ...
1
vote
2answers
2k views

Can you combine dhcp dynamic dns updates and static IPs in the same Bind zone?

I'm in the process of configuring ISC dhcpd and Bind9 on SLES Linux in our office for internal DNS. I'd like to put everything in one zone, city.domain.tld for example. I can get the dhcpd server to ...
1
vote
3answers
430 views

The Current State Of Serving a PHP 5.x App on the Apache, LightTPD & Nginx Web Servers?

Being stuck in a MS stack architecture/development position for the last year and a half has prevented me from staying on top of the world of open source stack based web server's recent evolution more ...
1
vote
1answer
2k views

Dynamic proxy with nginx based on url param

I am loading images from an external site which I want to use in a 3D WebGL canvas. However this is not allowed due to origin. The URL I am generating from the web page is as follows: ...
1
vote
1answer
449 views

Apache2 dynamic documentroot depending on URL

I have looked at setting up an Apache server. I want to run our site example.com on the server, as well as testing test.example.com. This I can setup by having two almost identical VirtualHost in ...
1
vote
1answer
2k views

Dynamic Backends with HAProxy

I'm trying to figure out the best way to handle dynamic proxying of HTTP requests. Basically I want to take a dynamic hostname in the form of myname.cust.mydomain.com and then forward requests to an ...
1
vote
1answer
20 views

Changing ModSecurity Logging on a Per Transaction Basis

I am trying to trace all requests being made to a website on a shared hosting server. Packet capture is just going to be too cumbersome. We use Mod Security (2.8) with good effect, although due to ...
1
vote
2answers
731 views

nginx caching dynamic content to static

I've read and heard that nginx can cache dynamic content and make it static so it loads faster taking more of a load of apache. has anyone done this before? is it worth it? any pros/cons to it?
1
vote
2answers
720 views

SIP Server with dynamic public IP address and dyndns

Is it possible to run SIP server with dynamic public IP address and dyndns? The question is what happens when IP address is changed and DNS is not yet updated.
1
vote
0answers
42 views

How to send dynamic update to DNS Server using Avahi?

I am using beaglebone running avahi-daemon and I have configure it to respond mdns query with local name “myboard.local” when accessed from PC on same network. It works fine. But, how can I ...
1
vote
0answers
72 views

Dynamically assign Apache document root from table in MySQL

I currently use mod_vhost_dbd to pull a path from MySQL and insert as a docroot for Apache. This allows me to dynamically change customers from a production to a beta copy of our app with a simple db ...
1
vote
0answers
232 views

Dynamic Reverse Proxy on AWS

I am looking to create a HA, dynamic app environment on Amazons AWS infrastructure. (Probably along the lines of elasticbeanstalk or heroku). At this stage I am not hugely worried about routing ...
1
vote
1answer
59 views

Dynamic tunneling technologies [closed]

Are there any other technologies like Cisco DMVPN that use dynamic tunneling in layer 3 networks?
1
vote
0answers
699 views

OpenNHRP configuration without IPsec

I'm attempting to use OpenNHRP on a linux box to connect with a Cisco Router. I want to allow GRE tunnels from the linux box to the Cisco router dynamically, but I'm not implementing DMVPN on the ...
1
vote
1answer
72 views

Dynamic Virtual Hosting Questions

I have read the documentation on how to create a dynamic virtual host system on Apache's website, but I am quite confused about some things: 1) Do I have to dynamically configure window's host file ...
1
vote
1answer
303 views

Dynamic Subdomains

On my new site I want to have dynamic subdomains. I'm trying to make it so that the subdomains use the same web root as the main domain, all under a single CodeIgniter installation. For example, ...
0
votes
3answers
83 views
0
votes
1answer
114 views

Finding current dynamic IP of a remote computer

I need to access a remote computer using VNC. the computer has a static IP in its network but connects to Internet trough a VPN connection. How can I find current IP of this computer from my own ...
0
votes
3answers
351 views

Can't Get Hyper-V Dynamic Memory Working For Hyper-V Server 2008 R2

According to this MSDN article I should be able to install Hyper-V Server 2008 R2 as the primary operating system on my computer, then install one or more copies of Windows Server 2008 R2 as virtual ...
0
votes
1answer
85 views

make apache mod_rewrite rols dynamic from db?

i have mod_rewrite rols that hard coded and i want to make it dynamic can i fatch somehow the users names from db ? or other variables i define in the config file ? ? this is what i have now : ...
0
votes
2answers
906 views

bash whiptail variable parameters

I'm really pulling my hair out on this one. I just started with some bash scripting and I'm trying to create a simple script that uses some dialogs to give me a fast way to do a svn checkout. It's ...
0
votes
1answer
125 views

Configurable Public DNS Service

Does anyone know of a service that would allow me to create a personalized DNS server that responded differently based on what the IP of the user making the request?
0
votes
1answer
2k views

Is it possible to do DNS-based ACLs on a Cisco ASA?

Short of using static IP addresses, is it possible to have a Cisco ASA use a DNS name rather than an IP address? For instance, if I want to limit a host in the DMZ to access only one particular web ...
0
votes
3answers
44 views

Change Packet Dynamically with Squid

Is there any option in Squid that allow me to change packets dynamically? For ex: I want to send all packet that comming to Squid to my PHP code and change the packet with PHP Dynamically and resend ...
0
votes
1answer
107 views

Can Apache dynamically deny? [duplicate]

I host three different websites on the same server. Here's excerpts from this morning's Apache logs: ### SITE 1 ### [Fri Dec 13 09:15:49 2013] [error] [client 85.17.87.36] script not found or unable ...
0
votes
1answer
245 views

IIS - Able to access local IP but not external IP

I am encountering this problem where I am able to access my IIS Web Application through 192.168.0.15:8090 (Local IP) but not through 92.251.98.7:8090 (External IP). These are the steps I have taken ...
0
votes
1answer
61 views

Convert basic disk to dynamic

I have a Windows server 2008 system with 2 x 40 GB SSD hard disks. On first disk I have the OS installed and the second disk is unallocated. I want to mirror the OS on second disk using software RAID. ...