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2
votes
2answers
119 views

It it a good idea to whitelist inbound email using a Hash on the address? (Similar to BATV, but with DKIM)

Problem Statement I'm looking at ways to ensure that business partners, or emails from trusted senders, never get quarantined; ....in other words prevent "ham being seen as spam". Ideally this ...
-1
votes
1answer
265 views

Open list of adult websites for child internet [closed]

Looking for any open and dynamic list(blacklist) of adult,dangerous,+18,sucide,drugs etc web resources to filter it in intranet for children security in internet
1
vote
2answers
162 views

Is IP whitelist sufficient to protect a server? [closed]

I am currently using a server 1 managing incoming traffic from users and a server 2 managing database requests from server 2. Both servers are accesible via Internet. Would IP whitelisting be a ...
3
votes
4answers
590 views

Outbound proxy which whitelists by server certificate?

Short version: Are you aware of any proxy or firewall device which will permit outbound SSL connections to hosts with approved* SSL certificates only? Long version: Consider the following ...
6
votes
5answers
4k views

XSS : Blacklist characters vs. whitelist

I have been studying to prevent my web app against XSS. I read about it on OWASP and other security channels, they all say that use ESAPI and similar library, and also do input filtering through ...
1
vote
1answer
584 views

Is htaccess secure enought to whitelist clients IPs?

I'm using .htaccess to control source IP of connections to my web application. My configuration looks more or less like this: order deny,allow deny from all allow from X.Y.Z.Q These ...
1
vote
2answers
207 views

How to uniquely identify / tag client devices to whitelist VPN access?

I'm just wondering if there is any way to uniquely identify or tag client devices like laptops and towers in order to whitelist them for vpn access. (Note: This is a thought-experiment at the moment, ...
3
votes
2answers
313 views

Lua loadstring, whitelisting against injection

I need to take input from the user of a simple bit of math, they want to solve. Rather than parse there input myself, I want to just use the lua, loadstring function to load their input and evaluate ...
6
votes
1answer
2k views

How to whitelist an Amazon ELB in a(ny) firewall?

We have a customer with a very locked-down network. Any outbound connections require whitelisting of the port and IP address. However, we are running our system behind an Amazon Elastic Load Balancer ...
2
votes
3answers
146 views

State before getting whitelisted?

There is a data flow of incoming files (from untrusted, external sources), that get whitelisted by a kind of application layer firewall. Is there a common name for the state of the files before they ...
6
votes
1answer
397 views

White list or black list sanitation for international input?

There seem to be so many ways to create nefarious input that white-listing what input is good usually feels like the safer, simpler option. For instance, one can fairly easily craft a white list ...
3
votes
2answers
325 views

Protecting websites from outdated browsers and plugins via a whitelist/blacklist combination?

Aside from using browser headers, I want to blacklist/whitelist browser and plugins from my site so that I can prevent these older unpatched systems from (1) being a general user of my site (2) ...