Author

Celal Dogan

Celal Dogan

Senior Network Engineer

at · 37 articles published

Proficient in System Administration, Python, Computer Network, Network Engineering, PHP, Web Testing, Penetration Testing, Wireshark, RADIUS, Cisco Router, TCP/IP, Kali Linux, OSPF, NPS, and Multiprotocol BGP.

Areas of expertise

Certifications & credentials

  • Check Point Certified Security Expert (CCSE) R81
  • Check Point Certified Security Administrator (CCSA)
  • Cisco Certified Internetwork Expert (CCIE) Routing and Switching – Written
  • Cisco Certified Network Associate (CCNA) Routing and Switching
Author profile illustration for Celal Dogan — technical writer at GoLinuxCloud

Articles by Celal Dogan

networking

Create Wireshark Configuration Profiles [Step-by-Step]

Step by step instructions to create wireshark configuration profiles with practical examples. Import and export the profile, use different coloring pattern in your profile and much more.

Celal Dogan7 min read
networking

Analyze TCP Receive Window with Wireshark [Step-by-Step]

Transmission Control Protocol (TCP) is a connection oriented protocol. Before exchanging data between both sides, a connection is established. TCP Receive

Celal Dogan5 min read
networking

How to Integrate FreeRADIUS with Active Directory

We will setup authentication and authorization for a wireless network that can be used for a large organization, ensuring network users are able to securely

Celal Dogan6 min read
networking

How to check if ISP is blocking website [Wireshark]

Step by step instructions to check if isp is blocking website using wireshrak. The website URL can be blocked via DNS name or via IP which can be checked using Wireshark.

Celal Dogan7 min read
networking

Learn How to Use Wireshark like a PRO

Learn how to use wireshark with different examples.

Celal Dogan8 min read
networking

Breaking down HTTP response at Packet Level [Wireshark Tutorial]

Step by Step instructions to analyse HTTP response at packet level using wireshark.

Celal Dogan7 min read
networking

How to analyze IPsec Traffic with Wireshark

Internet Protocol Security (IPsec) is a set of protocols that enable us to authenticate and encrypt traffic between two parties. Protocols such as Internet

Celal Dogan6 min read