Abhishek's Post

Day 2: Byp@ssing 403 Restrictions via SMTP Header Leaks 🔓 Ever hit a solid 403 Forbidden on an admin panel? Don’t give up yet. Sometimes the backend infrastructure leaks the Origin IP when communicating with external mail servers. A simple misconfiguration in the mail server can lead to a full WAF bypass. 🚀 Save this for your next hunt! 💾 #BugBounty #CyberSecurity #RedTeam #Infosec #PenTest WebSecurity HackingTips EthicalHacking IndianCyberClub

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• @ssing

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• 341.5K Followers
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• 0.6% Eng. Rate

This post was published on 13th December, 2025 by Abhishek on his Instagram handle "@indian_cyber_club (Abhishek Parashar)". Abhishek has total 341.5K followers on Instagram and has a total of 872 post. Abhishek receives an average engagement rate of 0.6% per post on Instagram. This post has received 8 comments which are lower than the average comments that Abhishek gets. Overall the engagement rate for this post was lower than the average for the profile. #BugBounty #CyberSecurity #RedTeam #Infosec #PenTest has been used frequently in this Post.