F5
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BIG-IP virtual server types in f5
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BIG-IP virtual server types in f5 –> Virtual server type Description of virtual server type Standard A Standard virtual server directs client traffic to a load balancing pool and is the most basic type of virtual server. It is a general purpose virtual server that does everything not expressly provided […]
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commonly used f5 irule
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Host and URL Rewrite, Content Matching and Redirecting Below are some example iRules used for redirecting and rewriting URL and Host Headers. Rewrites Rewrite Hostname in HTTP Request when HTTP_REQUEST { if { [HTTP::host] equals “domain.com” } { HTTP::header replace “Host” “newdomain.com” }} Rewrite URL […]
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Event logging in F5 ASM
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we will dive into the excitement and necessity of event logging. Throughout this ASM series, we’ve looked at log files from a distance but we never really talked about how to configure logging. I know…event logging might not be the most fascinating part of the ASM, but it’s really important […]
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Username and session awareness tracking
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Let’s say you are building an awesome web application. You want to have as many visitors as possible, but you want to keep your application safe from malicious activity. The BIG-IP ASM can help secure your application by blocking harmful behavior before it ever gets to your app, but it […]
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Data Guard in F5
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Data Guard As we all know, we need to protect the personal and sensitive information of our users. So back in the day, some super-smart people developed an iRule that scrubs out credit card numbers from HTTP traffic that passes through the BIG-IP (the link to the iRule is here). This […]
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F5 ASM Geolocation
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The ASM can do lots of great things to protect your application, not the least of which is the Geolocation features it offers. Geolocation enforcement allows you to configure which countries can access your web application. The ASM matches the client’s IP address to its physical location and if your […]
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Ip address intelligence of f5 ASM
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This article will discuss some really cool ASM features: IP address intelligence and whitelisting. It’s hard to defend against all the crazy cyber threats out there today, so wouldn’t it be nice to know if the IP address requesting access to your application is trusted or not? And, wouldn’t it […]
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concepts of XML and how the BIG-IP ASM provides security for XML
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concepts of XML and how the BIG-IP ASM provides security for XML XML Concepts The Extensible Markup Language (XML) provides a common syntax for data transfer between similar systems. XML doesn’t specify how to display data (HTML is used for that), but rather it is concerned with describing data that […]
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What Is An Attack Signature in F5 ASM ?
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What Is An Attack Signature? Attack signatures are rules and patterns that identify attacks against your web application. When the ASM receives a client request (or a server response), the system compares the request/response to the attack signature associated with your security policy. If a matching pattern is detected, the […]
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The Importance of File Types, Parameters, and URLs of F5 ASM
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The Importance of File Types, Parameters, and URLs- This third article in the series will discuss the importance of File Types, Parameters, and URLs. It’s no surprise that your web app will include various files, parameters, and URLs. It’s also no surprise that these same files, parameters, and URLs can […]