Geoblocking mit Hilfe von nftables einrichten – IT – Praxis aus Oberschwaben

Letzte Aktualisierung am 29.05.2024, 13:05:35 Uhr

In vielen Artikel im Internet geht es darum, Geoblocking auf Basis des verwendeten Webservers umsetzen. Das geht mir aber persönlich nicht weit genug bzw. setzt nicht direkt am Betriebssystem an. die Verbindungen sollen direkt mit der Firewall von Debian/Ubuntu ab- bzw. gehandelt werden.

Nachstehend beschreibe ich die Einrichtung eines Geoblocking mit Hilfe von nftables unter Ubuntu Server 22.04 LTS. Die Rahmenbedingungen dabei ist, dass ca. 384MB Arbeitsspeicher frei sein müssen. Falls der Arbeitsspeicher nicht ausreicht und nicht erweitert werden soll/kann, ist evtl. eine SWAP Datei eine gute Alternative (siehe hier).

Download von Geo IP Informationen.

Ylem / gist:192cd56068f44ad7aafc68a1317c1117

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lolpee69 / Blog2.txt

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1	In today's fast-paced professional environment, effective telephone communication remains a cornerstone of successful business interactions. While digital channels like email and instant messaging have surged in popularity, the telephone continues to play a pivotal role in facilitating immediate and personal connections. Mastering telephone etiquette is essential for creating positive impressions, building strong relationships, and ensuring clear and efficient communication. This comprehensive guide delves into the nuances of telephone etiquette, offering detailed insights and practical tips to enhance your professional telephone interactions.
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3	## Understanding Telephone Etiquette
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5	Telephone etiquette encompasses the set of behaviors and protocols that govern professional interactions over the phone. Unlike face-to-face communication, phone conversations lack visual cues, making verbal communication skills and tone of voice critically important. Proper telephone etiquette ensures that conversations are conducted respectfully, clearly, and efficiently, reflecting positively on both the individual and the organization.
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7	## The Importance of Telephone Etiquette
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9	Effective telephone etiquette is vital for several reasons:

lolpee69 / Blog.txt

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1	Below is a detailed, unique blog post on telephone etiquette:
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5	# Mastering Telephone Etiquette: The Art and Science of Professional Communication
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7	In our fast-paced digital age, telephone communication still plays a crucial role in the professional landscape. Whether you’re a customer service representative, a sales professional, or a manager coordinating with your team, how you answer and conduct phone conversations can significantly impact your reputation and the success of your interactions. This blog post delves into the art and science of telephone etiquette, offering a comprehensive guide to ensure every conversation is polished, professional, and effective.
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9	## 1. The Essence of Telephone Etiquette

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lolpee69 / lol.txt

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1	Here’s a simple and clean PowerPoint outline for the topic “Explain Server? Briefly Discuss About Editions of Server 2019” – suitable for a classroom or professional setting. I’ll provide content slide-by-slide.
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3	⸻
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5	Slide 1: Title Slide
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7	Title: Explain Server & Editions of Server 2019
8	Subtitle: A Brief Overview
9	Presented by: [Your Name]
10	Date: [Date]