Technical Blog

Latest updates, technical insights, and guides for building better proxy farms.

2 min read

“I Am Detected as a VPN” and Other Anomalies

The issue is: Is it true? Let’s explain. First, let’s explain how they detect that a VPN is used. The

ProxySmart Team
2025-06-29
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2 min read

Proxysmart – Multishop Version

Useful for those who want to sell proxies to multiple proxy shops. Multishop System Update We’re currently developing a multishop

ProxySmart Team
2025-06-17
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1 min read

Acom 716

Briew review of Acom716 multi-SIM router & proxies server Where to buy: Also knows as “MTR716”. Price: about $1300. Idea

ProxySmart Team
2023-11-20
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2 min read

USB modems don’t show up

How to solve Not enough host resources in Linux system log, when USB modems don’t show up though they are

ProxySmart Team
2023-11-01
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1 min read

Openvpn Connect – fix support of old profiles

Around July 2023 , Openvpn Connect 3.4 was released which has broken support of old OpenVPN profiles. It gone global.

ProxySmart Team
2023-10-23
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2 min read

Building proxies – phones VS dongles

Let’s compare Pros and Cons of phones and dongles (modems) when building 4G/5G proxies on them. Dongles (modems) Dongles (modems)

ProxySmart Team
2023-07-10
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3 min read

Huawei E3372-325 ‘BROVI’ and Linux (Ubuntu) – Stick mode.

How to get to work Huawei E3372-325 ‘BROVI’ in Linux (ubuntu) – Stick mode. In Part1 I explained how to

ProxySmart Team
2023-05-29
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2 min read

UK 4G\LTE modems

The following modems should be working in the UK e.g. with my 4g proxy farm software Proxysmart software. Main LTE

ProxySmart Team
2023-04-04
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4 min read

Huawei E3372-325 ‘BROVI’ and Linux (Ubuntu)

How to get to work Huawei E3372-325 ‘BROVI’ in Linux (ubuntu) In Jan 2023 there is still no good integration

ProxySmart Team
2023-01-28
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1 min read

USB hubs for 4g proxies farm

How to buy best USB hub for a building a 4g proxy farm. Main things to check before buying Good

ProxySmart Team
2023-01-23
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2 min read

Safely try new Linux kernel in Grub

How to safely try new Linux kernel remotely without loosing access to the server. Install new kernel. List kernels in

ProxySmart Team
2023-01-22
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2 min read

QUIC support in Socks5 Proxies

In 2023 you will loose the battle when your proxies don’t support QUIC (HTTP/3.0). With 4g proxy farm software Proxysmart,

ProxySmart Team
2022-12-19
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3 min read

Quectel EC200T on OpenWRT

The issue with EC200T that it doesn’t have QMI\MBIM. It has only ECM and AT-port , so we have to

ProxySmart Team
2022-12-16
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5 min read

How to Change OS TCP/IP Fingerprint

Some useful info & tips on OS TCP/IP Fingerprint. Passive OS TCP/IP Fingerprinting, how it works Client opens a connection,

ProxySmart Team
2022-10-03
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1 min read

How to build proxies from 4G/5G LAN routers

Recently I added support of 4G or 5G LAN routers like Huawei Bxxx, to my 4G proxy farm software Proxysmart

ProxySmart Team
2022-09-02
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1 min read

How to build VPN from PROXY

Recently I built a solution for making VPN from Proxies. Any proxies are supported (HTTP, SOCKS5) and a resulting Openvpn

ProxySmart Team
2022-08-12
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1 min read

Ideal Proxy Software

A little comparison of open source proxy software: Haproxy, 3proxy, Squid, Nginx, Gost (2), V2ray ~ means “almost”

ProxySmart Team
2022-06-11
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4 min read

USA 4G\LTE modems

The following modems should be working in the USA e.g. with my 4g proxy farm software Proxysmart software. Main LTE

ProxySmart Team
2022-05-21
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1 min read

Added new modems models to Proxysmart

Recently I have added new modems models to my 4g proxy farm software Proxysmart, in particular Quectel family and ZTE

ProxySmart Team
2022-04-25
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1 min read

Proxysmart: my alternative to Proxidize

Proxidize significally raised prices on their service and I have a drop-in replacement. I have been developing 4g proxy farm

ProxySmart Team
2022-03-22
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2 min read

Fighting against Passive OS Fingerprinting

The article describes steps to install OSfooler-ng to prevent your host OS be recognized by Passive OS Fingerpringting (p0f). I

ProxySmart Team
2020-11-03
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2 min read

Psiphon: setting up Linux client (with free servers)

Psiphon is obfuscated proxy, and its client & server are open-source. The plan is: paste text below It will start

ProxySmart Team
2020-09-20
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2 min read

Psiphon: setting up own server & Linux client

Psiphon is obfuscated proxy, and its client & server are open-source. The plan is: Psiphon Server Notes: “SSH”, “OSSH”, “UNFRONTED-MEEK-OSSH”,

ProxySmart Team
2020-09-05
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1 min read

Ubuntu: migrate from Ifupdown to Netplan. Step by step

In Ubuntu 18.04 old good ifupdown is considered obsolete. And you need to migrate your servers to systemd-networkd + netplan.

ProxySmart Team
2019-02-07
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2 min read

Why Ansible? Ansible vs Puppet

Ansible PROS The SAME Ansible CONS

ProxySmart Team
2019-01-23
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