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<channel>
	<title>Internet &#8211; David Stein</title>
	<atom:link href="https://davidstein.cz/category/it/internet/feed/" rel="self" type="application/rss+xml" />
	<link>https://davidstein.cz</link>
	<description>IT Specialist, hacker and electronic enthusiast</description>
	<lastBuildDate>Tue, 16 Sep 2025 12:13:15 +0000</lastBuildDate>
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	<url>https://davidstein.cz/wp-content/uploads/cropped-avatar_60_60-32x32.jpg</url>
	<title>Internet &#8211; David Stein</title>
	<link>https://davidstein.cz</link>
	<width>32</width>
	<height>32</height>
</image> 
	<item>
		<title>ISP Config &#8211; mTLS &#8211; website certificate protection</title>
		<link>https://davidstein.cz/2025/09/15/isp-config-mtls-website-certificate-protection/</link>
		
		<dc:creator><![CDATA[fires]]></dc:creator>
		<pubDate>Mon, 15 Sep 2025 15:17:44 +0000</pubDate>
				<category><![CDATA[Internet]]></category>
		<category><![CDATA[IT]]></category>
		<category><![CDATA[Linux]]></category>
		<category><![CDATA[Tutorials]]></category>
		<category><![CDATA[certificate]]></category>
		<category><![CDATA[config]]></category>
		<category><![CDATA[internet]]></category>
		<category><![CDATA[isp]]></category>
		<category><![CDATA[linux]]></category>
		<category><![CDATA[mtls]]></category>
		<category><![CDATA[protection]]></category>
		<category><![CDATA[team viewer]]></category>
		<category><![CDATA[tutorials]]></category>
		<category><![CDATA[uncategorized]]></category>
		<category><![CDATA[website]]></category>
		<guid isPermaLink="false">https://davidstein.cz/?p=5360</guid>

					<description><![CDATA[This solution uses Let&#8217;s Encrypt as the certificate provider for the website and custom certificates for mTLS authentication. Connect to the ISP Config server and prepare certificates Generate CA certificate Generate client certificate Export client certificate After export, you need to import the certificate into your OS system. Copy CA certificate to the website folder [&#8230;]]]></description>
										<content:encoded><![CDATA[<p>This solution uses Let’s Encrypt as the certificate provider for the website and custom certificates for mTLS authentication. Connect to the ISP Config server and prepare certificates After export, you need to import the certificate into your OS system. Depends where you generate certificates, for me as an example (replace [value] with your value)…</p>
<p><a href="https://davidstein.cz/2025/09/15/isp-config-mtls-website-certificate-protection/" rel="nofollow">Source</a></p>]]></content:encoded>
					
		
		
			</item>
		<item>
		<title>TeamViewer &#8211; API get list of old devices</title>
		<link>https://davidstein.cz/2025/05/28/teamviewer-api-get-list-of-old-devices/</link>
		
		<dc:creator><![CDATA[fires]]></dc:creator>
		<pubDate>Wed, 28 May 2025 09:06:26 +0000</pubDate>
				<category><![CDATA[Internet]]></category>
		<category><![CDATA[IT]]></category>
		<category><![CDATA[Programming]]></category>
		<category><![CDATA[Tutorials]]></category>
		<category><![CDATA[api]]></category>
		<category><![CDATA[devices]]></category>
		<category><![CDATA[get]]></category>
		<category><![CDATA[internet]]></category>
		<category><![CDATA[list]]></category>
		<category><![CDATA[old]]></category>
		<category><![CDATA[programming]]></category>
		<category><![CDATA[team viewer]]></category>
		<category><![CDATA[teamviewer]]></category>
		<category><![CDATA[tutorials]]></category>
		<category><![CDATA[uncategorized]]></category>
		<guid isPermaLink="false">http://davidstein.cz/?p=5288</guid>

					<description><![CDATA[If you are facing the limit of the maximum number of devices under your TeamViewer license, it is very helpful to get a list of all devices that have not been connected for a long time. 1. Prepare the API Token 2. Python Script Replace TEAMVIEWER_API_TOKEN with your actual token. After you run the script, [&#8230;]]]></description>
										<content:encoded><![CDATA[<p>If you are facing the limit of the maximum number of devices under your TeamViewer license, it is very helpful to get a list of all devices that have not been connected for a long time. Replace with your actual token. After you run the script, it will produce a list of devices, their IDs, and the last seen dates in the console.</p>
<p><a href="https://davidstein.cz/2025/05/28/teamviewer-api-get-list-of-old-devices/" rel="nofollow">Source</a></p>]]></content:encoded>
					
		
		
			</item>
		<item>
		<title>ISP Config &#8211; website password protection</title>
		<link>https://davidstein.cz/2025/01/15/isp-config-website-password-protection/</link>
		
		<dc:creator><![CDATA[fires]]></dc:creator>
		<pubDate>Wed, 15 Jan 2025 09:50:22 +0000</pubDate>
				<category><![CDATA[Internet]]></category>
		<category><![CDATA[IT]]></category>
		<category><![CDATA[Networking]]></category>
		<category><![CDATA[Tutorials]]></category>
		<category><![CDATA[config]]></category>
		<category><![CDATA[internet]]></category>
		<category><![CDATA[isp]]></category>
		<category><![CDATA[networking]]></category>
		<category><![CDATA[password]]></category>
		<category><![CDATA[protection]]></category>
		<category><![CDATA[team viewer]]></category>
		<category><![CDATA[tutorials]]></category>
		<category><![CDATA[uncategorized]]></category>
		<category><![CDATA[website]]></category>
		<guid isPermaLink="false">http://davidstein.cz/?p=5256</guid>

					<description><![CDATA[Sometimes, you must protect your site in ISPConfig with a standard pass or HTTP auth. Here are a few easy steps to do it. I will describe it from the administrator&#8217;s view. The manual is for the apache2 server. Now, after you try to access the website there will be an auth dialog.]]></description>
										<content:encoded><![CDATA[<p>Sometimes, you must protect your site in ISPConfig with a standard pass or HTTP auth. Here are a few easy steps to do it. I will describe it from the administrator’s view. The manual is for the apache2 server. Now, after you try to access the website there will be an auth dialog.</p>
<p><a href="https://davidstein.cz/2025/01/15/isp-config-website-password-protection/" rel="nofollow">Source</a></p>]]></content:encoded>
					
		
		
			</item>
		<item>
		<title>Can&#8217;t access DELL idrac remotely &#8211; Access Error 400</title>
		<link>https://davidstein.cz/2024/11/01/cant-access-dell-idrac-remotely-access-error-400/</link>
		
		<dc:creator><![CDATA[fires]]></dc:creator>
		<pubDate>Fri, 01 Nov 2024 14:37:58 +0000</pubDate>
				<category><![CDATA[Internet]]></category>
		<category><![CDATA[IT]]></category>
		<category><![CDATA[Tutorials]]></category>
		<category><![CDATA[400]]></category>
		<category><![CDATA[access]]></category>
		<category><![CDATA[can’t]]></category>
		<category><![CDATA[dell]]></category>
		<category><![CDATA[error]]></category>
		<category><![CDATA[idrac]]></category>
		<category><![CDATA[internet]]></category>
		<category><![CDATA[remotely]]></category>
		<category><![CDATA[team viewer]]></category>
		<category><![CDATA[tutorials]]></category>
		<category><![CDATA[uncategorized]]></category>
		<guid isPermaLink="false">http://davidstein.cz/?p=5245</guid>

					<description><![CDATA[Some IDRAC versions limit access to the web interface to a limited list of addresses. Accessing the IDRAC over the public IP and network NAT is a problem in this case. Usually, you get the error Access Error: 400 &#8211; Bad request. The problem is the IDRAC check the HTTPS Host header check introduced by [&#8230;]]]></description>
										<content:encoded><![CDATA[<p>Some IDRAC versions limit access to the web interface to a limited list of addresses. Accessing the IDRAC over the public IP and network NAT is a problem in this case. Usually, you get the error Access Error: 400 – Bad request. The problem is the IDRAC check the HTTPS Host header check introduced by DELL in firmware V2.81.81.81 (https://www.dell.com/support/kbdoc/en-uk/000189996/</p>
<p><a href="https://davidstein.cz/2024/11/01/cant-access-dell-idrac-remotely-access-error-400/" rel="nofollow">Source</a></p>]]></content:encoded>
					
		
		
			</item>
		<item>
		<title>Fixing Website Access Issues with Mikrotik MSS Clamping</title>
		<link>https://davidstein.cz/2024/10/17/fixing-website-access-issues-with-mikrotik-mss-clamping/</link>
		
		<dc:creator><![CDATA[fires]]></dc:creator>
		<pubDate>Thu, 17 Oct 2024 09:44:48 +0000</pubDate>
				<category><![CDATA[Internet]]></category>
		<category><![CDATA[IT]]></category>
		<category><![CDATA[Networking]]></category>
		<category><![CDATA[access]]></category>
		<category><![CDATA[clamping]]></category>
		<category><![CDATA[fixing]]></category>
		<category><![CDATA[internet]]></category>
		<category><![CDATA[issues]]></category>
		<category><![CDATA[mikrotik]]></category>
		<category><![CDATA[mss]]></category>
		<category><![CDATA[network]]></category>
		<category><![CDATA[networking]]></category>
		<category><![CDATA[solved]]></category>
		<category><![CDATA[website]]></category>
		<category><![CDATA[with]]></category>
		<guid isPermaLink="false">http://davidstein.cz/?p=5241</guid>

					<description><![CDATA[If you&#8217;re having trouble accessing certain websites—like partial page loads or dropped connections—your network&#8217;s Maximum Segment Size (MSS) may be the issue. This is common when the MTU (Maximum Transmission Unit) is mismatched across the network, causing packet fragmentation or loss. The problem is mostly on some &#8220;really&#8221; safe websites like banks, government, etc. The [&#8230;]]]></description>
										<content:encoded><![CDATA[<p>If you’re having trouble accessing certain websites—like partial page loads or dropped connections—your network’s Maximum Segment Size (MSS) may be the issue. This is common when the MTU (Maximum Transmission Unit) is mismatched across the network, causing packet fragmentation or loss. The problem is mostly on some “really” safe websites like banks, government, etc.</p>
<p><a href="https://davidstein.cz/2024/10/17/fixing-website-access-issues-with-mikrotik-mss-clamping/" rel="nofollow">Source</a></p>]]></content:encoded>
					
		
		
			</item>
		<item>
		<title>AliExpress &#8211; login problem solution</title>
		<link>https://davidstein.cz/2024/06/19/aliexpress-login-problem-solution/</link>
		
		<dc:creator><![CDATA[fires]]></dc:creator>
		<pubDate>Wed, 19 Jun 2024 11:13:43 +0000</pubDate>
				<category><![CDATA[Internet]]></category>
		<category><![CDATA[IT]]></category>
		<category><![CDATA[aliexpress]]></category>
		<category><![CDATA[internet]]></category>
		<category><![CDATA[login]]></category>
		<category><![CDATA[problem]]></category>
		<category><![CDATA[solution]]></category>
		<category><![CDATA[team viewer]]></category>
		<category><![CDATA[uncategorized]]></category>
		<guid isPermaLink="false">http://davidstein.cz/?p=5217</guid>

					<description><![CDATA[How to Resolve the AliExpress Login Issue: A Step-by-Step Guide If you&#8217;ve ever experienced difficulties logging into your AliExpress account, you&#8217;re not alone. Recently, I encountered a peculiar issue: after entering my email address on the login form, the system would redirect me to the registration page, prompting me to create a new account. After [&#8230;]]]></description>
										<content:encoded><![CDATA[<p>If you’ve ever experienced difficulties logging into your AliExpress account, you’re not alone. Recently, I encountered a peculiar issue: after entering my email address on the login form, the system would redirect me to the registration page, prompting me to create a new account. After some troubleshooting, I found a solution that worked perfectly. In this article, I’ll share the steps I took to…</p>
<p><a href="https://davidstein.cz/2024/06/19/aliexpress-login-problem-solution/" rel="nofollow">Source</a></p>]]></content:encoded>
					
		
		
			</item>
		<item>
		<title>ISPConfig &#8211; PHPMyAdmin error 500 &#8211; additional php version</title>
		<link>https://davidstein.cz/2022/02/03/ispconfig-phpmyadmin-error-500-additional-php-version/</link>
		
		<dc:creator><![CDATA[fires]]></dc:creator>
		<pubDate>Thu, 03 Feb 2022 11:29:01 +0000</pubDate>
				<category><![CDATA[Internet]]></category>
		<category><![CDATA[IT]]></category>
		<category><![CDATA[Linux]]></category>
		<category><![CDATA[Tutorials]]></category>
		<category><![CDATA[500]]></category>
		<category><![CDATA[ispconfig]]></category>
		<category><![CDATA[php8.1]]></category>
		<category><![CDATA[phpmyadmin]]></category>
		<category><![CDATA[version]]></category>
		<guid isPermaLink="false">http://davidstein.cz/?p=5053</guid>

					<description><![CDATA[error in default apache log &#8211; /var/log/apache2/error.log If you instaled an additional version of PHP to a server in recent times, there is a possibility the apache is reconfigured to use the new version of PHP to run PHPMyAdmin and not the default one. You can check this by creating a new file, for example, [&#8230;]]]></description>
										<content:encoded><![CDATA[<p>error in default apache log – /var/log/apache2/error.log If you instaled an additional version of PHP to a server in recent times, there is a possibility the apache is reconfigured to use the new version of PHP to run PHPMyAdmin and not the default one. You can check this by creating a new file, for example, status.php in PHPMyAdmin folder /usr/share/phpmyadmin with this content.</p>
<p><a href="https://davidstein.cz/2022/02/03/ispconfig-phpmyadmin-error-500-additional-php-version/" rel="nofollow">Source</a></p>]]></content:encoded>
					
		
		
			</item>
		<item>
		<title>Remove/delete Google Adwords account</title>
		<link>https://davidstein.cz/2017/05/23/removedelete-google-adwords-account/</link>
		
		<dc:creator><![CDATA[fires]]></dc:creator>
		<pubDate>Tue, 23 May 2017 07:51:09 +0000</pubDate>
				<category><![CDATA[Internet]]></category>
		<category><![CDATA[IT]]></category>
		<guid isPermaLink="false">http://davidstein.cz/?p=4527</guid>

					<description><![CDATA[You&#8217;ll need to remove your email address from your own account before you can associate it with another account. It&#8217;s a multi-step process. 1. Get a throwaway email address from gmail (or anywhere). 2. Log into your personal account. 3. Send invitation to the new email address. 4. Log out completely from all Google properties. [&#8230;]]]></description>
										<content:encoded><![CDATA[<p>You’ll need to remove your email address from your own account before you can associate it with another account. It’s a multi-step process. 1. Get a throwaway email address from gmail (or anywhere). 2. Log into your personal account. 3. Send invitation to the new email address. 4. Log out completely from all Google properties. 5. Click on the link in the email (the new address) 6. Select “I…</p>
<p><a href="https://davidstein.cz/2017/05/23/removedelete-google-adwords-account/" rel="nofollow">Source</a></p>]]></content:encoded>
					
		
		
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