آموزش شبكه و امنيت

آموزش شبكه و امنيت Telegram

Self-destruct is a popular feature on Telegram, but it has been limited to the separate “Secret Chat” option only. However, with the recent update, now you can self-destruct media like photos and videos on normal chats too. Just select a photo or video and then tap on the “timer” button. Now, you can choose the time after which the media will be deleted from everywhere. The company has redesigned the reaction panel, making it expandable. The app will also show reactions that a user frequently uses at the top. Premium Telegram Premium users can pick reactions from an infinite selection of custom emoji. Users can attach up to 3 reactions per message. These changes to reactions are currently available in groups and 1-on-1 chats. Group admins can control whether custom reactions may be used in their groups. All usernames on Telegram have their own t.me/username links, making it easy to share public profile, group or channel anywhere on the internet. Every username will now have a new unique link format – username.t.me – for those who want to emphasize their name (or have trouble finding the / key).

System Default (Android) or System (iOS): Matches the theme to your operating system's current mode. Faster and Stronger Self-destruct Media in Normal Chats Furthermore, you can view how much Mobile or WiFi data you have consumed so far. Just tapping on “Data Usage”, and it will show you “Bytes sent” and “Bytes received” of individual file types.

To create a channel, right swipe on the homepage, and tap on “New Channel”. Provide your channel name, description, select channel type, and create a unique URL. That’s it. Telegram has a personal ‘Saved Messages’ space for each user. This is accessible from the left hamburger menu on the main screen. Users can save important messages here which will be backed up on Telegram’s secure cloud just like your chats. The Saved Messages space can then be accessed across you’re your phone, laptop and any other device where your account is logged in. If you're verified on at least two social networks, you can verify your group, channel or bot. However, Telegram only uses this encryption in calls and in its “secret chats” feature, not in regular chats. Those are only encrypted client to server. Meanwhile, WhatsApp, the supposedly less secure service, has used end-to-end encryption in all messages, calls, and video calls since 2016.

Owners of public groups can enable join requests via Group Info > Edit > Group Type > Who Can Send Messages > select Only Members > enable Approve New Members. Set custom notification sound