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6 votes

How to specify an IP range in a Security Group inbound rule?

As the message says Amazon requires CIDR Address in the security group, not an address range. CIDR is a way to describe network blocks by slicing the 32 bits of IPv4 address into a network part and ...
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  • 23.6k
6 votes
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Replacing URI when using dynamic hosts in Nginx reverse proxy

The documentation states that if you use variables in the proxy_pass directive and you specify a URI part, it will be passed upstream "as is". You will need to capture the part of the URI you need to ...
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5 votes

IPtables whitelist dynamic IP by hostname

The way I do this is: Run a script every x minutes from crontab to update an "ipset" Have IPtables use the ipset Assuming you have only 1 IP address in this ipset, the following script ...
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  • 3,386
4 votes
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IPtables whitelist dynamic IP by hostname

iptables works on IP addresses, not on hostnames. You can use hostnames as arguments, but they will be resolved at the time the command is entered. Doing a DNS lookup for each passing packet would be ...
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  • 3,008
3 votes

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

This can be done with Adaxes. Technically it will dynamically update group membership once users are updated/moved. Here's an example how to automatically maintain group membership based on Department ...
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2 votes

Setting up openldap for ldaps with cn=config

If, like me, you found this answer but were looking for the dynamic config (cn=config) option, use the following ldif. dn: cn=config changetype: modify replace: olcTLSCertificateKeyFile ...
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2 votes

Dynamic Routing via hostname, is it possible?

The practical answer for you is to continue to use VPN. You can setup a VPN to connect 2 networks. When you have a dynamic IP, you will use private prefixes for internal networks. Those are not ...
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2 votes

Dynamic AuthName in Apache2 configuration

The feature you're expecting is coming in Apache 2.5, and is not yet available in Apache 2.4. In Apache <=2.4 you can only use a plain string for AuthName.
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2 votes
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Powershell to exclude Group Members from Dynamic Distribution List

One thing to do is not use invalid characters on the PowerShell commands. -and (-not(MemberOfGroup -eq ‘DDGExclude’)) should be: -and (-not(MemberOfGroup -eq 'DDGExclude')) Also: -and (...
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  • 34.2k
2 votes

Using Dynamic paths in Apache httpd.conf file

Quite simply: no. A DocumentRoot has to be a single directory on the server, and wildcards are not allowed. You may be able to get the behaviour you're after by using RewriteRule statements ...
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  • 9,360
2 votes
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The dynamic ports are constantly changing, How do set them in the firewall?

You either need to allow the entire high-ports range (49152-65535), or follow the below procedure to limit RPC traffic to a custom range. https://support.microsoft.com/en-us/help/154596/how-to-...
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  • 34.2k
1 vote

DNS Dynamic Routing

What you are describing is basically how CDN (Content Delivery Networks) work. The DNS aspect is not exactly as you suggest, but the DNS server returns different IP addresses depending on where the ...
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  • 1,261
1 vote

DNS Dynamic Routing

This is not the role of DNS service. You can have several A / AAAA records pointing to all possible IP addresses where is service running. The Client will get all of them in random order (so the order ...
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  • 1,577
1 vote

htacess rule for dynamic url in GET method

You could maybe do something like this if there is really "+" sign in keyword parameter. You always need to have some unique patterns: RewriteRule ^(.+\+.+)/?$ index.php?keyword=$1 ...
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  • 683
1 vote

Dynamic Routing via hostname, is it possible?

Yes, you can - Check IF your ISP assigned you Public IPv6 Addresses and see if your other provider supports IPv6. With IPv6 Addresses, you will be able to establish end-to-end communication via the ...
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  • 46
1 vote
Accepted

Why controls inside update panels took long to update even website integrated with a CDN network?

"So According to my knowledge I believe CDN only accelerates static contents of the website. So how about these dynamic data?" CloudFlare only caches static content by default. If you want to look at ...
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1 vote
Accepted

Using Ansible to provisioning users: Modify facts/expand hostvars?

I found this helpful thread and ended up building a var file template locally and then loading it in the playbook. It enabled me to utilize more logic in building the var file.
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1 vote

Asterisk Real time does not perform register with SIP TRUNK provider

Not gonna work. http://lists.digium.com/pipermail/asterisk-users/2009-November/241425.html Use #exec directive to execute external script which retrieves registration data from DB, and outputs ...
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  • 11
1 vote

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

The easiest way is to use DynamicGroup. http://www.firstattribute.com/en/active-directory/ad-automation/dynamic-groups/ We are running it in various environments after a migration from Novell to ...
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1 vote

DHCP failing to update DNS

I had this similar issue and performed the below checks before coming up with a fix. Verify if the server or the service account that is used to dynamically update dns from DHCP is added into the ...
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  • 11

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