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18.03.2026 13:02
eltonfc (@eltonfc@bertha.social)

Here's a #security question that's been bugging me for a few weeks now:

I'm a professor and there are #Windows PCs in the classrooms. Login in a controlled domain, users have no admin perms etc.

Sometimes I #ssh from these machines to my #Linux box at my office to show some numerical stuff to the class.

Which security practice is more reasonable? Keep a (passworded) key file in the windows machines and risk an (unlikely) extraction or login with a password and risk keylogging? #secops

Keep a key file in the windows machines
Just type the password
Why do you even have password login enabled?
Keeping keys in public machines is a no-no

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18.03.2026 07:18
GripNews (@GripNews@mastodon.social)

🌗 SSH 協定缺乏 Host 標頭的解決方案
➤ 如何在 IP 位址共享的限制下，實現無縫的 SSH 連線路由
✤ https://blog.exe.dev/ssh-host-header
在雲端環境中，為每臺虛擬機（VM）分配獨立的 IPv4 位址既昂貴又不切實際，而透過 HTTP 處理多站點共享 IP 的機制（Host 標頭）並不適用於 SSH。為了讓使用者能透過一致的網址存取 VM 的網頁與 SSH 服務，作者採用了一種基於「使用者與 IP 位址關聯」的路由策略。藉由將 VM 分配至特定使用者的 IP 區塊，系統能結合 SSH 連線的公鑰身分與目標 IP 位址進行比對，成功在共用 IP 的架構下，精準引導連線至正確的 VM。
+ 這是一個非常務實的工程權衡。與其強迫支援 IPv6 或增加昂貴的 IPv4 開銷，不如在 Proxy 層利用身分驗證資訊來做路由，這對使用者體驗來說是最自然的。
+ 雖然這套架構需要客製化的管理軟體，無法直接套用到一般環境，但能看到這樣深入底層的網路實作邏輯還是很精彩。
#系統架構 #網路工程 #SSH #雲端運算

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18.03.2026 06:28
ngate (@ngate@mastodon.social)

🚀 Breaking news: #SSH doesn't have a #Host header! 📰 Hold the phone, people! Turns out, when connecting to your VMs, you might actually need to use an IP address. Who knew?! 🤯 Let's all hope Microsoft Word catches up with this cutting-edge tech innovation soon! 🙄
https://blog.exe.dev/ssh-host-header #header #IPaddress #TechInnovation #MicrosoftWord #HackerNews #ngated

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18.03.2026 06:28
h4ckernews (@h4ckernews@mastodon.social)

SSH has no Host header

https://blog.exe.dev/ssh-host-header

#HackerNews #SSH #Host #Header #Security #Vulnerability #SSH #Protocol #Cybersecurity #Tech #News #Open #Source

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18.03.2026 04:03
nubecolectiva (@nubecolectiva@mastodon.social)

Your private key is the only wall between your server and chaos. ☠️ EN

Tu llave privada es el único muro entre tu servidor y el caos. ☠️ ES

#programming #coding #programación #code #webdevelopment #devs #softwaredevelopment #ssh #git #github #server

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17.03.2026 20:31
techbot (@techbot@social.raytec.co)

Iranian Botnet Exposed via Open Directory: 15-Node Relay Network and Active C2

An Iranian threat actor's operational infrastructure was exposed through an open directory, revealing a 15-node relay network spanning Finland and Iran, an SSH-based botnet framework, and an active command and control server. The exposed bash history documented the full operation, including tunnel deployment, DDoS tooling development, and botnet creation. The actor used on-host compilation to evade detection and leveraged a Python script for mass SSH deployment. The botnet client, compiled and renamed 'hex' on infected hosts, showed automatic reconnection capabilities. This operation appears to be financially or personally motivated rather than state-directed, with infrastructure dual-purposed for censorship bypass and attack operations.

Pulse ID: 69b96e4d10d70197a0dd1dcb
Pulse Link: https://otx.alienvault.com/pulse/69b96e4d10d70197a0dd1dcb
Pulse Author: AlienVault
Created: 2026-03-17 15:07:57

Be advised, this data is unverified and should be considered preliminary. Always do further verification.

#CyberSecurity #DDoS #DoS #Finland #InfoSec #Iran #OTX #OpenThreatExchange #Python #RAT #SSH #bot #botnet #AlienVault