-1
votes
1answer
79 views

Blacklist and whitelist of domains on Debian Linux router

I have to create blacklist and whitelist in small office for two groups of employees. I divided the users into two group: First group has block all webpages except about 80 domains which i want to ...
1
vote
1answer
398 views

How to whitelist CloudFlare IP ranges within iptables rules (multiport)?

There seem to be many different ways to setup whitelist rules within iptables. What is the wisest way to whitelist the CloudFlare IP address ranges below via SSH? 204.93.240.0/24 (204.93.240.0 - ...
2
votes
2answers
759 views

Postfix restrict recipients

how can I configure postfix to allow sending to a certain (external) domain only? I'm already using check_recipient_access. Content of my /etc/postfix/recipients_restrictions: domain.com OK My ...
0
votes
1answer
669 views

postfix global white/blacklist defined by pair

I have defined global whitelist in postfix using MYSQL with the following options: smtpd_recipient_restrictions = reject_invalid_hostname, check_client_access ...
0
votes
2answers
600 views

Implement blacklist/whitelist + LDAP authentication in Apache

In Apache, what would be the best way to only give access to users who pass the two following tests: User does not appear in blacklist (alternatively, appears in whitelist) User has valid LDAP user ...
0
votes
3answers
276 views

Banned myself from my own server, or something with my DNS?

I can't seem to ssh or even browse my site ( medero.org ) even though it's resolving to my server's ip, but other people can. I was SFTPing some files earlier, but nothing out of the ordinary. How ...
1
vote
2answers
1k views

Can i create a website blacklist with Group Policy?

Like i can create "whitelist" functionality for blocking all sites and allowing some via the GP setting: "User Configuration > Windows Settings > Internet Explorer Maintenance > Connection/Proxy ...