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DuckDuckGo (HTTPS / SSL)

DuckDuckGo is the search engine that doesn't track you. We also have smarter answers and less clutter. This extension adds DuckDuckGo (HTTPS / SSL version) to the search bar. For more features, see the DuckDuckGo Plus add-on. Enjoy!

Rated 5 out of 5 stars (128)
2,164 weekly downloads

RequestPolicy Requires Restart

Be in control of which cross-site requests are allowed. Improve the privacy of your browsing by not letting other sites know your browsing habits. Secure yourself from Cross-Site Request Forgery (CSRF) and other attacks.

Rated 4 out of 5 stars (215)
9 users

YesScript Requires Restart

A JavaScript blacklist

Rated 4 out of 5 stars (225)
35 users

QuickPasswords Requires Restart

Retrieve your Passwords the quick way! Never retype or display your secure passwords on screen anymore - put the password where you need it - the login form or the clipboard.

Now also includes SSO change (multi-domain pw) and Backup + Restore.

Rated 5 out of 5 stars (53)
37 users

Offsec Exploit-db Search

This plugin lets you search on Offsec Exploit archive - http://exploit-db.com. Offsec Exploit archive, also known as Explo.it, is the replacement of Milw0rm archive.

Not yet rated
83 weekly downloads

VirusTotalSearch

Inserisci MD5/SHA1/SHA256, per ottenere il report di oltre 46 antivirus.
( Potrebbe interessarti anche questo add https://addons.mozilla.org/addon/kasperskyadvisor?src=external-Virustotal )

Rated 3 out of 5 stars (2)
70 weekly downloads

Bitdefender QuickScan Requires Restart

The quickest way to find out if your computer is infected!
Bitdefender QuickScan is a very fast antivirus scanner, able to determine in a matter of seconds if a system is infected with malware.
More on http://quickscan.bitdefender.com/faq

Rated 3 out of 5 stars (65)
3 users

SecurityFocus Vulnerabilities search plugin

This plugin lets you search on Security Focus Vulnerabilities.

Rated 5 out of 5 stars (1)
53 weekly downloads

KeePass Helper Requires Restart

Adds a hostname, URL, or email account ID to the application's window name (e.g., that of Firefox or Thunderbird) to make it recognizable to password manager utilities like KeePass.

Rated 4 out of 5 stars (40)
8 users

Packet Storm search plugin.

This plugin lets you search on Packet Storm - www.packetstormsecurity.org - database. Packet Storm offers an abundant resource of up-to-date and historical security tools, exploits, and advisories.

Not yet rated
39 weekly downloads

Snort IDS Rule Search

Search for Snort IDS Rules

Rated 1 out of 5 stars (1)
34 weekly downloads

CipherFox Requires Restart

Displays the current SSL/TLS cipher, protocol and certificate chain in the Add-on bar and Site ID dialog

Rated 5 out of 5 stars (34)
1 user

CensureBlock Requires Restart

This addon blocks sites containing pornographic materials.

Rated 3 out of 5 stars (76)
5 users

ReloadPAC Requires Restart

Workaround for Bug 351163 (Thunderbird bypasses proxy.pac for first connection).

Not yet rated
1 user

XSSed Search

Search the cross-site scripting database at XSSed.Com

Not yet rated
27 weekly downloads

Lock The Text Requires Restart

Encrypt your text data in browser before you submit it to a network

Rated 5 out of 5 stars (10)
1 user

DontPhishMe Requires Restart

DontPhishMe is an Anti-Phishing addon for Mozilla Firefox which utilizes the pattern matching techniques to provide the Malaysian Internet user with information and notification to protect them against online banking phishing website.

Rated 5 out of 5 stars (1)
0 users

OSVDB

Open Source Vulnerability Database Search

Rated 5 out of 5 stars (1)
24 weekly downloads

IsAdmin Requires Restart

Shows whether the application is running with admin privileges, using an icon in the status bar; useful if logged in as an administrator and you use privilege limitation tools such as DropMyRights, RunAs or Windows User Account Control.

Rated 4 out of 5 stars (9)
2 users

Offensive Security Exploit Database

Offensive Security Exploit Database search

Rated 3 out of 5 stars (3)
18 weekly downloads