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Security is central to everything we do—from stopping DDoS attacks before they hit your servers to protecting your applications. Whether you want to go deeper into SSL profiles, understand security-specific iRules, or brush up on current security topics, here’s where you’ll find the latest, most relevant information.

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Articles

John Wagnon
Updated 1 day ago by John Wagnon
5 out of 5 stars

We are always interested in security at F5, but this month we are taking it a step further and highlighting lots of great security content on DevCentral. From discussing specific F5 security technology to looking back on security trends from 2016 to looking ahead at what's to come in 2017, the month of February on DevCentral will not disappoint!

John Wagnon
Updated 1 day ago by John Wagnon
5 out of 5 stars

As we highlight security on DevCentral this month, we wanted to pose a fun security challenge to exercise those brain cells a little bit. Today's challenge focuses on cryptography. The object of this challenge is to figure out a plaintext message given some ciphertext and clues.

John Wagnon
Updated 2 days ago by John Wagnon

When your business is facing a security crisis, F5 has a team dedicated to helping you through it – the F5 Security Incident Response Team (SIRT). During a security incident, the F5 SIRT engages rapidly with the resources you need to respond. The F5 SIRT also evaluates potential and published vulnerabilities and provides timely alerts to help you manage risks and deploy mitigation – before an attack brings down your business.

John Wagnon
Updated 3 days ago by John Wagnon

Open DNS resolvers can be used to recursively query authoritative name servers. In fact, a list of open resolvers can be found at http://openresolverproject.org/. Further, Network Time Protocol (NTP) servers with "monlist" enabled allow a host to query the last 600 connections who have connected to that server...

John Wagnon
Updated 4 days ago by John Wagnon
5 out of 5 stars

Everyone knows that malware is a huge problem, and several recent studies have shown that nearly half of all malware is now encrypted. So, if all this malware is encrypted, then how do you go about finding it and stopping it if you can't even read it?

Peter Silva
Updated 4 days ago by Peter Silva

How to share an APM session across multiple access profiles. A common question for someone new to BIG-IP Access Policy Manager (APM) is how do I configure BIG-IP APM so the user only logs in once. By default, BIG-IP APM requires authentication for...

John Wagnon
Updated 6 days ago by John Wagnon
5 out of 5 stars

The RSA Conference starts today in San Francisco, CA and we wanted to start off this week with a video that shows how RSA works. RSA is a public key cryptosystem that absolutely rocked the world of cryptography back in the 1970s. Maybe you've heard about RSA but you've never really understood how it works...

Tewfik Megherbi
Updated 1 week ago by Tewfik Megherbi

Le 9/02/2017, F5 Networks a publié le bulletin CVE-2016-9244 concernant une vulnérabilité dans l'implémentation de la fonction de reprise de session TLS (Session Resumption). un Virtual Server Big-IP configuré...

John Wagnon
Updated 1 week ago by John Wagnon

Ransomware is a specific type of malware that encrypts important information and keeps it encrypted until the ransom (typically money) has been paid. Until very recently, ransomware was not a widely-used type of malware, but it has absolutely exploded in popularity in the past few years...

John Wagnon
Updated 1 week ago by John Wagnon
5 out of 5 stars

Distributed Denial of Service (DDoS) attacks were huge in 2016, and they will likely be a tough nemesis again in 2017…and beyond!  With all the excitement and trepidation surrounding these attacks, it’s important to know how to defend against...

John Wagnon
Updated 1 day ago by John Wagnon
5 out of 5 stars

We are always interested in security at F5, but this month we are taking it a step further and highlighting lots of great security content on DevCentral. From discussing specific F5 security technology to looking back on security trends from 2016 to looking ahead at what's to come in 2017, the month of February on DevCentral will not disappoint!

John Wagnon
Updated 1 day ago by John Wagnon
5 out of 5 stars

As we highlight security on DevCentral this month, we wanted to pose a fun security challenge to exercise those brain cells a little bit. Today's challenge focuses on cryptography. The object of this challenge is to figure out a plaintext message given some ciphertext and clues.

John Wagnon
Updated 2 days ago by John Wagnon

When your business is facing a security crisis, F5 has a team dedicated to helping you through it – the F5 Security Incident Response Team (SIRT). During a security incident, the F5 SIRT engages rapidly with the resources you need to respond. The F5 SIRT also evaluates potential and published vulnerabilities and provides timely alerts to help you manage risks and deploy mitigation – before an attack brings down your business.

John Wagnon
Updated 4 days ago by John Wagnon
5 out of 5 stars

Everyone knows that malware is a huge problem, and several recent studies have shown that nearly half of all malware is now encrypted. So, if all this malware is encrypted, then how do you go about finding it and stopping it if you can't even read it?

John Wagnon
Updated 6 days ago by John Wagnon
5 out of 5 stars

The RSA Conference starts today in San Francisco, CA and we wanted to start off this week with a video that shows how RSA works. RSA is a public key cryptosystem that absolutely rocked the world of cryptography back in the 1970s. Maybe you've heard about RSA but you've never really understood how it works...

John Wagnon
Updated 1 week ago by John Wagnon
5 out of 5 stars

Distributed Denial of Service (DDoS) attacks were huge in 2016, and they will likely be a tough nemesis again in 2017…and beyond!  With all the excitement and trepidation surrounding these attacks, it’s important to know how to defend against...

Chase Abbott
Updated 1 week ago by Chase Abbott
5 out of 5 stars

FINISH HIM!  SSHowDowN Wins!  The proxy attack Akamai published on last October of 2016 sound like a character from Mortal Kombat. That would be a fun MK character, a little digitized malware-bot killing Sub-Zero or Goro.  In...

Brett Smith
Updated 1 week ago by Brett Smith
5 out of 5 stars

It’s been a number of years since I penned my first DC article: Two-Factor Authentication using YubiKey, YubiCloud and APM. A lot has changed over the years, BIG-IP versions and features, new YubiKey models and the YubiCloud Validation...

Chase Abbott
Updated 1 week ago by Chase Abbott
5 out of 5 stars

The term pervasive insecurity can be applied to arrays of complex systems including poverty, political landscapes, or civil violence. It's aptly suited for defining any widespread and unwelcome instability of standardized governance(1)....

Nir Zigler
Updated 1 week ago by Nir Zigler
5 out of 5 stars

Last week, a critical vulnerability has been detected in WordPress 4.7 by Sucuri researchers: https://blog.sucuri.net/2017/02/content-injection-vulnerability-wordpress-rest-api.html The vulnerability allows unauthenticated attackers to change the...

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