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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

After a Reboot, a Saved VPN Profile Is Not a Connected Session
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After a Reboot, a Saved VPN Profile Is Not a Connected Session

#networking #android #vpn
Comments
5 min read

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VPN Offboarding: Local Profile Cleanup Does Not Revoke Access
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VPN Offboarding: Local Profile Cleanup Does Not Revoke Access

#security #networking #devops #vpn
Comments
4 min read
Troubleshooting Video Calls on a VPN: Separate Device, Network, and Meeting-Platform Factors
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Troubleshooting Video Calls on a VPN: Separate Device, Network, and Meeting-Platform Factors

#beginners #networking #productivity #vpn
Comments
4 min read
DNS Filtering Changed, but the Page Did Not: Check Cache, Resolver, and Connection State
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DNS Filtering Changed, but the Page Did Not: Check Cache, Resolver, and Connection State

#dns #networking #vpn
Comments
3 min read
Look-Alike VPN Profiles: Verify the Assigned Entry Before Debugging the Connection
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Look-Alike VPN Profiles: Verify the Assigned Entry Before Debugging the Connection

#vpn #networking #devops
5
Comments
5 min read
VPN Behavior Changed After an OS Update? Compare the System, Client, and Profile Separately
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VPN Behavior Changed After an OS Update? Compare the System, Client, and Profile Separately

#vpn #networking #devops
Comments
5 min read
Account Security Alerts After a Network Change: Review the Event Before Blaming the VPN
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Account Security Alerts After a Network Change: Review the Event Before Blaming the VPN

#security #vpn #privacy #networking
Comments
5 min read
Public Wi-Fi and VPN Tunnel Scope: What Work Travelers Still Need to Check
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Public Wi-Fi and VPN Tunnel Scope: What Work Travelers Still Need to Check

#vpn #networking #security #productivity
Comments
5 min read
Maintain a VPN Access Inventory Without Turning It into a Secret Store
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Maintain a VPN Access Inventory Without Turning It into a Secret Store

#vpn #networking #security #devops
Comments
5 min read
OpenVPN Connect Import Failed? Identify the Stage Before Retrying
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OpenVPN Connect Import Failed? Identify the Stage Before Retrying

#vpn #networking #openvpn
Comments
6 min read
VPN Connects, Then Drops: Build an Event Timeline Before Changing Settings
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VPN Connects, Then Drops: Build an Event Timeline Before Changing Settings

#vpn #networking
Comments
5 min read
VPN Speed Tests: Make the Comparison Repeatable Before Blaming the Tunnel
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VPN Speed Tests: Make the Comparison Repeatable Before Blaming the Tunnel

#vpn #networking #troubleshooting
Comments
4 min read
VPN Certificate Errors: Check the System Clock, Not Just the Displayed Hour
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VPN Certificate Errors: Check the System Clock, Not Just the Displayed Hour

#vpn #networking #troubleshooting
Comments
3 min read
VPN Connected, Printer Missing: Separate Local Access from Internet Reachability
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VPN Connected, Printer Missing: Separate Local Access from Internet Reachability

#networking #vpn #troubleshooting
Comments
3 min read
Managed-Device VPN Preflight: Check Policy Before Debugging Setup
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Managed-Device VPN Preflight: Check Policy Before Debugging Setup

#documentation #vpn
Comments
3 min read
A Useful VPN Bug Report Starts with the Last Successful Step
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A Useful VPN Bug Report Starts with the Last Successful Step

#vpn #networking #documentation
Comments
4 min read
VPN Client, Profile, and Service: Debug the Right Layer
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VPN Client, Profile, and Service: Debug the Right Layer

#vpn #networking #openvpn #documentation
Comments
4 min read
Public IP, GPS, and Browser Location: Testing the Signals Separately
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Public IP, GPS, and Browser Location: Testing the Signals Separately

#networking #vpn #privacy #webdev
Comments 3
5 min read
When a VPN Connects but Large Transfers Stall: Build an MTU Evidence Case
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When a VPN Connects but Large Transfers Stall: Build an MTU Evidence Case

#openvpn #networking #troubleshooting #devops
Comments 3
5 min read
Deleting a VPN Profile Is Not the Same as Revoking Access
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Deleting a VPN Profile Is Not the Same as Revoking Access

#openvpn #security #networking #documentation
Comments 2
4 min read
A Practical Release Inventory for OpenVPN Deployments
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A Practical Release Inventory for OpenVPN Deployments

#openvpn #documentation #devops #networking
Comments
4 min read
Router VPN Compatibility Preflight: What to Check Before You Import a Profile
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Router VPN Compatibility Preflight: What to Check Before You Import a Profile

#vpn #networking #openvpn #tutorial
Comments
4 min read
Debugging VPN DNS Problems: Find the Layer That Is Actually Answering
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Debugging VPN DNS Problems: Find the Layer That Is Actually Answering

#vpn #dns #networking #troubleshooting
Comments 1
6 min read
VPN After Sleep, Roaming, and Network Switches: What Reconnection Looks Like
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VPN After Sleep, Roaming, and Network Switches: What Reconnection Looks Like

#vpn #networking #troubleshooting
Comments
5 min read
VPN Troubleshooting, One Layer at a Time: A Diagnostic Checklist
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VPN Troubleshooting, One Layer at a Time: A Diagnostic Checklist

#vpn #openvpn #networking #troubleshooting
Comments
5 min read
Why VPN services should not force users into proprietary apps
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Why VPN services should not force users into proprietary apps

#vpn #openvpn #security #networking
Comments
2 min read
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