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articlesecurityadnnewstechtip July 11, 2013 by John Wagnon
This is the tenth and final article in a series of Tech Tips that highlight SSL Profiles on the BIG-IP LTM.  The first nine articles are: SSL Overview and Handshake SSL Certificates Certificate Chain Implementation Cipher Suites SSL Options SSL Renegotiation Server Name Indication Client Authentication Server Authentication The first nine articles in this series highlighted many important SSL features on the BIG-IP.  In this final article, I will overview some of the features...
articlesecurityadnnewstechtip July 03, 2013 by John Wagnon
This is the ninth article in a series of Tech Tips that highlight SSL Profiles on the BIG-IP LTM.  The first eight articles are: SSL Overview and Handshake SSL Certificates Certificate Chain Implementation Cipher Suites SSL Options SSL Renegotiation Server Name Indication Client Authentication This article will discuss the concept of Server Authentication, why it's important, and how the BIG-IP system allows you to configure it for your environment.   Server Authentication Du...
articlesecurityadnnewstechtip June 20, 2013 by John Wagnon
This is the eighth article in a series of Tech Tips that highlight SSL Profiles on the BIG-IP LTM.  The first seven articles are: SSL Overview and Handshake SSL Certificates Certificate Chain Implementation Cipher Suites SSL Options SSL Renegotiation Server Name Indication This article will discuss the concept of Client Authentication, how it works, and how the BIG-IP system allows you to configure it for your environment.   Client Authentication In a TLS handshake, the ...
articlesecurityadnnewstechtip June 13, 2013 by John Wagnon
This is the seventh article in a series of Tech Tips that highlight SSL Profiles on the BIG-IP LTM.  The first six articles are: SSL Overview and Handshake SSL Certificates Certificate Chain Implementation Cipher Suites SSL Options SSL Renegotiation   This article will discuss the concept of Server Name Indication (SNI) and how the BIG-IP system allows you to configure it for your environment.   What is Server Name Indication? SNI (listed in RFC 4366) is an extensio...
articlesecurityadnnewstechtip June 11, 2013 by John Wagnon
This is the sixth article in a series of Tech Tips that highlight SSL Profiles on the BIG-IP LTM.  The first five articles are: SSL Overview and Handshake SSL Certificates Certificate Chain Implementation Cipher Suites SSL Options   This article will discuss SSL renegotiation, some OpenSSL features, some of the attack vectors against SSL renegotiation, and then how the BIG-IP is configured to handle this feature.   What Is SSL Renegotiation? Before we get into the details of ...
articlesecurityadnnewstechtip June 04, 2013 by John Wagnon
Several months ago (ok, maybe lots and lots of months ago), Jason Rahm wrote a great series of Tech Tips that cover the BIG-IP LTM SSL profiles.  His first 4 articles in the series were: SSL Overview and Handshake SSL Certificates Certificate Chain Implementation Cipher Suites   I'd like to take the baton and run a little further with the work he started.  This next SSL profile article will dive into the specifics of the SSL Options that are offered in the BIG-IP LTM...
articleadnbig-ipnewstechtip May 31, 2013 by Jason Rahm
SyntaxHighlighter.all();Two-factor authentication (hereafter 2FA) has been a staple in enterprise VPN environments for quite some time, but it is really taking off in the web application space now as well with services riding on smart phones like Google Authenticator and YubiCloud, which we've built solutions for before in George Watkin's Google Authenticator with BIG-IP APM and Brett Smith's Yubikey Authentication with BIG-IP APM.  This solution borrows from Brett's in that it uses the sam...
In my first article in this series, I discussed web scraping -- what it is, why people do it, and why it could be harmful.  My second article outlined the details of bot detection and how the ASM blocks against these pesky little creatures.  This last article in the series of web scraping will focus on the final part of the ASM defense against web scraping:  session opening anomalies and session transaction anomalies.  These two detection modes are new in v11.3, so if you'...
In my last article, I discussed the issue of web scraping and why it could be a problem for many individuals and/or companies.  In this article, we will dive into some of the technical details regarding bots and how the BIG-IP Application Security Manager (ASM) can detect them and block them from scraping your website.    What Is A Bot? A bot is a software application that runs automated tasks and typically performs these tasks much faster than a human possibly could.  I...
Web Scraping Defined   We've all heard the term "web scraping" but what is this thing and why should we really care about it?  Web scraping refers to an application that is programmed to simulate human web surfing by accessing websites on behalf of its "user" and collecting large amounts of data that would typically be difficult for the end user to access.  Web scrapers process the unstructured or semi-structured data pages of targeted websites and conver...
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