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Mohammad Montazeri profile picture

Mohammad Montazeri

Founder of Lisar Connect and technical author focused on VPN setup, routing, DNS, and standard-client workflows.

Location Dubai, United Arab Emirates Joined Joined on  Personal website https://lisar.io/

Work

MONTAZERI COMPUTERS & REQUISITES TRADING CO. L.L.C

VPN Behavior Changed After an OS Update? Compare the System, Client, and Profile Separately

VPN Behavior Changed After an OS Update? Compare the System, Client, and Profile Separately

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5 min read
Account Security Alerts After a Network Change: Review the Event Before Blaming the VPN

Account Security Alerts After a Network Change: Review the Event Before Blaming the VPN

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5 min read
Public Wi-Fi and VPN Tunnel Scope: What Work Travelers Still Need to Check

Public Wi-Fi and VPN Tunnel Scope: What Work Travelers Still Need to Check

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5 min read
Maintain a VPN Access Inventory Without Turning It into a Secret Store

Maintain a VPN Access Inventory Without Turning It into a Secret Store

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5 min read
OpenVPN Connect Import Failed? Identify the Stage Before Retrying

OpenVPN Connect Import Failed? Identify the Stage Before Retrying

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6 min read
VPN Connects, Then Drops: Build an Event Timeline Before Changing Settings

VPN Connects, Then Drops: Build an Event Timeline Before Changing Settings

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5 min read
VPN Speed Tests: Make the Comparison Repeatable Before Blaming the Tunnel

VPN Speed Tests: Make the Comparison Repeatable Before Blaming the Tunnel

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4 min read
VPN Certificate Errors: Check the System Clock, Not Just the Displayed Hour

VPN Certificate Errors: Check the System Clock, Not Just the Displayed Hour

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3 min read
VPN Connected, Printer Missing: Separate Local Access from Internet Reachability

VPN Connected, Printer Missing: Separate Local Access from Internet Reachability

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3 min read
Managed-Device VPN Preflight: Check Policy Before Debugging Setup

Managed-Device VPN Preflight: Check Policy Before Debugging Setup

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3 min read
A Useful VPN Bug Report Starts with the Last Successful Step

A Useful VPN Bug Report Starts with the Last Successful Step

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4 min read
VPN Client, Profile, and Service: Debug the Right Layer

VPN Client, Profile, and Service: Debug the Right Layer

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4 min read
Public IP, GPS, and Browser Location: Testing the Signals Separately

Public IP, GPS, and Browser Location: Testing the Signals Separately

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5 min read
When a VPN Connects but Large Transfers Stall: Build an MTU Evidence Case

When a VPN Connects but Large Transfers Stall: Build an MTU Evidence Case

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5 min read
Deleting a VPN Profile Is Not the Same as Revoking Access

Deleting a VPN Profile Is Not the Same as Revoking Access

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4 min read
A Practical Release Inventory for OpenVPN Deployments

A Practical Release Inventory for OpenVPN Deployments

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4 min read
Router VPN Compatibility Preflight: What to Check Before You Import a Profile

Router VPN Compatibility Preflight: What to Check Before You Import a Profile

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4 min read
Debugging VPN DNS Problems: Find the Layer That Is Actually Answering

Debugging VPN DNS Problems: Find the Layer That Is Actually Answering

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6 min read
VPN After Sleep, Roaming, and Network Switches: What Reconnection Looks Like

VPN After Sleep, Roaming, and Network Switches: What Reconnection Looks Like

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5 min read
VPN Troubleshooting, One Layer at a Time: A Diagnostic Checklist

VPN Troubleshooting, One Layer at a Time: A Diagnostic Checklist

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5 min read
Why VPN services should not force users into proprietary apps

Why VPN services should not force users into proprietary apps

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2 min read
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