HELLO, I AM ALLWYN MASCARENHAS
Hello there,
I am an information security consultant in the UAE.
I am originally from Mumbai, India.
Welcome to my site, I write about my work in information security, create tutorials and well..stuff.
Apart from infosec I thoroughly adore weight lifting, reading and listening to podcasts — hardcore history is one of my favorites.
This blog is a note to self so that I don’t have to google for anything twice, hope you find something worth your while.
My Blog Posts Read my articles on my infosec labs, things I come across at work and some other stuff..
The BIGIP Auto-Backup iApp and FTP 550 Filename Invalid Error
The detailed post title helps with google hits. This user created iApp works perfect to setup auto-backup on the BIGIP and you can save the gazillion dollars required to get a BIGIQ. However, when using this with an FTP server a minor misunderstanding of how the directories work might waste you some time and effort. […]
BIGIP ASM Database Reset to Default
When an ASM database crashed for one of our clients and the database repair options failed, TAC recommended a full ASM DB reset on the lines of K6992 The KB article doesn’t really explain the full behavior. As per the TAC, the policy name remains as it is, think of it as a “container”. This […]
F5 BigIP ASM Failed to Load Policies Error
Had an absolute surprise when I landed at a client – “to just fine one policy”. The entire policy list was gone and the GUI would only give me a “failed to load policies” after 2 mins of loading the page. This is on BIGIP v13.1.1.2. After a little clicking around the GUI – turns […]
F5 BIGIP SSL Errors When Fronting Cisco Webex Solution
In a recent case, with BigIP and Cisco webex servers we saw the SSL would break in the browser even while the configuration had no apparent errors. The VIP on the BigIP hosted the webex over an SSL connection using a client-ssl profile and also used a server-ssl profile. Cisco webex does not support the […]
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Cheers!