Engineering at Meta

MARCH 21, 2024

As part of our beta experience, now available in a few countries, Threads users aged 18+ with public profiles can now choose to share their Threads posts to other ActivityPub-compliant servers. People on those servers can now follow federated Threads profiles and see, like, reply to, and repost posts from the fediverse.

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Server Protocol Email Media 138

4sysops

JANUARY 21, 2025

Microsoft confirms Outlook crashes when emailing, replying or forwarding, issues workaround – Neowin Microsoft has addressed a crash issue in Classic Outlook, which affects users on Windows Server 2016.

Email 52

Email Server 52

Faris Malaeb

SEPTEMBER 1, 2022

Microsoft says this cmdlet does not guarantee a secure connection to SMTP servers. This tutorial takes you through using Send-MgUserMail to send emails instead of Send-MailMessage Using Send-MailMessage When you try to use the Send-MailMessage cmdlet, you get the following warning. Send-MailMessage is obsolete and no longer supported.

Email 130

Email Server 130

ByteByteGo

JANUARY 25, 2025

10 Essential Components of a Production Web Application It all starts with CI/CD pipelines that deploy code to the server instances. After DNS resolution, the requests reach the app servers. Load balancers and reverse proxies (such as Nginx & HAProxy) distribute user requests evenly across the web application servers.

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Cookie Gateway Server Application 173

ByteByteGo

DECEMBER 21, 2024

It is commonly used in verifying the authenticity of a server. MX Record Directs email traffic to the correct mail server. NS (Name Server) Record Specifies the authoritative DNS servers for the domain. These records help direct queries to the correct DNS servers for further lookups.

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DNS IP Address Server Email 130

ByteByteGo

JANUARY 7, 2025

This approach spread the data across multiple servers, making the system scalable as data grew. Each shard was replicated across multiple servers, ensuring high reliability. If one server failed, others could still serve the data. Servers downloaded their assigned shards from S3 and replaced outdated data locally.

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Server Engineering Email Cloud 162

Engineering at Meta

SEPTEMBER 7, 2023

By using the same backend for Threads, we could leverage a lot of the existing tech stack for Threads and reuse most of our existing data models, business logic, security features, and server infrastructure. That’s because email is interoperable and these two companies both conform to the SMTP protocol for delivering emails.

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Email Engineering Media Protocol 143

Effective Software Design

JANUARY 8, 2025

How Feedly newsletters are sent today Feedly newsletters are sent from enterprise AT feedly DOT com via an email client called Postmark. We use 3 email authentication protocols: SPF, DKIM and DMARC. SPF identifies valid sending servers, DKIM verifies message integrity, and DMARC provides policy and reporting for both.

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Email Protocol Server 52

Mixpanel

JANUARY 9, 2020

Server-side logs. Data about its users would include: when a user uploads an image to the app, likes another user’s image, or comments on an image; the location from which the user is posting; the user’s name and email; and the frequency with which they interact with the app. Mostly SQL, some No-SQL. Sometimes real-time. Pricing plan.

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Email Engineering Server 129

ByteByteGo

DECEMBER 7, 2024

Create High-Level Design Break down the system into components such as client apps, servers, load balancers, databases, etc. To ensure your ad reaches this influential audience, reserve your space now by emailing sponsorship@bytebytego.com. Focus on the data flow.

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Unicast Banking Protocol Network 211

CATO Networks

JANUARY 28, 2025

Among the leaked data were 75,000 unique email addresses and full names of Schneider Electric employees and customers. They posted root access to the university’s server for sale on dark web forums for the low cost of $1,500 USD. The group offered root access to the companys server for $500 USD. billion USD.

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Energy Government Education SASE 106

ByteByteGo

NOVEMBER 30, 2024

When you want to send the JWT to a server, you put the header, payload, and signature inside the box. Then you send it over to the server. The server can easily read the header and payload to understand who you are and what you want to do. Over to you: When should we use JWT for authentication?

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TCP Protocol Server Email 100

ByteByteGo

JANUARY 28, 2025

Allow developers to execute specific pieces of application logic (functions) without worrying about server provisioning, scaling, or maintenance. Some key features were as follows: Serverless Computing Lambda pioneered the serverless paradigm, allowing developers to run code without provisioning, managing, or scaling servers.

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Virtual machine Application Engineering Server 147

Confluent

APRIL 3, 2019

moffatt.me' THEN 'Home server' ELSE 'Unknown' END AS DEVICE_TYPE FROM UBNT_USERS; Message - Stream created and running -. Home server | logstash-irc.moffatt.me Home server | logstash-irc.moffatt.me Previously, this information was only available from the KSQL server’s log file itself. CASE: Selectively masking data.

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Server Email Networking Network 96

ByteByteGo

NOVEMBER 23, 2024

The source could be any video and audio source wired up to an encoder Step 2: To provide the best upload condition for the streamer, most live streaming platforms provide point-of-presence servers worldwide. The streamer connects to a point-of-presence server closest to them.

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IP Address Routers Internet Server 100

Kentik

NOVEMBER 7, 2021

Leading up to SaaS offerings, everything we communicated with over the network to do our jobs (other than surf the web and send email) was hosted on-premises. The mail server, the CRM, the file servers, etc. If we had a connection problem, we’d call over the cubical something like, “Hey Darla, can you see the Skywalker server?

Routers 104

Routers Internet Application Server 104

ByteByteGo

DECEMBER 10, 2024

Rising Costs: To handle the ever-growing workload, Tinder had to add more powerful servers and replicas (backup systems) to maintain speed and reliability. Adding more replicas distributes the workload across multiple servers, reducing the burden on any single shard. This delay degraded the user experience. A replica shard for Tokyo.

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Server Engineering Application Email 130

CATO Networks

JANUARY 25, 2022

Think of phishing and most people will think of cleverly crafted emails designed to get you to click on malicious links. The use of a real email account makes the phishing attack appear to be a legitimate email. Unfortunately, the email is anything but legitimate.

Email 52

Email Server Network Networking 52

ByteByteGo

DECEMBER 3, 2024

They have over 100 Kafka clusters with more than 4,000 servers (called brokers), handling over 100,000 topics and 7 million partitions. This way, they can get the fix into LinkedIn's version of Kafka and deploy it to their servers as fast as possible. Many companies now use Kafka, but LinkedIn uses it on an exceptionally large scale.

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Engineering Server Application Data Centers 147

NW Kings

DECEMBER 10, 2024

A TCP port is a unique number assigned to specific services and applications that run on a server. It serves as an endpoint for communication between a client and the server, allowing different communication processes over a network. This combination directs network traffic to the appropriate service or application running on a server.

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UDP port Port TCP IP Address 40

Akins IT

JUNE 6, 2016

Cryptolocker hackers have targeted the US and UK by emailing it out and it has been associated with spammers, password theft, backdoor Trojans, and may also find its way to your computer through a download or ad-click. Email Filtering: You may be able to filter emails that contain .EXE Dont pay the ransom!

Email 52

Email Encryption Server Cloud 52

CATO Networks

SEPTEMBER 18, 2024

The gqlparser library is an integrated component of the gqlgen Golang GraphQL server, widely used in web applications to handle GraphQL queries. They act as modifiers that can alter how fields or fragments are executed by the server. If you are using the gqlgen GraphQL server, update it to version v0.17.49

Server 52

Server SASE Email Application 52

Engineering at Meta

MAY 3, 2023

We hypothesize that the malware steals email credentials to compromise the user’s contact point and potentially to access other online accounts connected to that email account: Retrieving the stored usernames and passwords from the Browser saved password database. This C2 server URL is hard-coded into the malware.

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Cookie Internet JavaScript Media 116

Akins IT

FEBRUARY 24, 2020

Office 365 ATP is a cloud-based email filtering service that helps protect your organization against unknown malware and viruses by providing robust zero-day protection; and it includes features to safeguard your organization from harmful links in real time. Block which blocks the whole email and malicious attachment all together.

Email 52

Email Server Application Cloud 52

CATO Networks

MARCH 30, 2023

The first stage of the Qakbot infection process begins when a user clicks on a link inside a malicious email attachment. Embedded malicious.hta file using VBScript to execute commands on the operating system After the.hta file is initiated, it executes curl.exe to force download an infected dll file from a remote C2 Qakbot server.

Network 52

Network Networking Email Server 52

Kentik

OCTOBER 12, 2021

Once you saw a person’s password to any given application, you knew they were generally using the same one for all of their other applications — email, the ticketing system, the FTP and Novell servers, etc. Today, many downloads are done over HTTPS and the same holds true for checking email. Well, that didn’t last long.

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Encryption DNS IP Address Protocol 84

Kentik

JANUARY 24, 2022

If you are thinking that those represent HTTP and HTTPS, you would be largely correct, but that doesn’t mean it’s traffic involving web servers. Lots of applications use these ports today, including DNS lookups and email. At most companies, there are multiple DNS servers to collect from and hundreds of routers.

Application 96

Application IP Address DNS Port 96

Akins IT

DECEMBER 26, 2019

This involves not just sec uring your network perimeter with a firewall, but also email security, endpoint protection, and end user awareness. DATA EXFILTRATION Data exfiltration is the unauthorized copying, transfer or retrieval of data from a computer or server.

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Firewall Email Protocol Network Security 52

TechDirectArchive

DECEMBER 27, 2024

In other words, it is designed to repair corrupted Outlook PST files and recover all mailbox items, including emails, attachments, contacts, calendars, and notes, with complete integrity. Whether you need to recover a single email or an important attachment, or an entire folder or mailbox data.

Email 52

Email Encryption Server Application 52

ByteByteGo

DECEMBER 17, 2024

The load balancer ensures that incoming requests are evenly distributed across servers to avoid overloading any single server. Service Endpoint & Authorization : Once the data reaches the server, it is passed to a service endpoint where the system performs authentication. This data is routed through a load balancer.

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Routers Engineering Server Virtual machine 130

AWS Architecture

NOVEMBER 6, 2024

An Amazon Pinpoint project to handle email and SMS communications. Customers can transition from voice to a chat or email instantly without additional work. Amazon Pinpoint Flexible, scalable marketing communications service that connects you with customers over email, SMS, push notifications, or voice.

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Email JavaScript Financial Cloud 54

CATO Networks

JANUARY 17, 2018

In the light of recent ransomware attack campaigns against Microsoft RDP servers, Cato Research assessed the risk network scanning poses to organizations. As for SQL Servers, it seems like the hunt for databases still exists. Although well researched, many organizations continue to be exposed to this attack technique.

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Network Networking Server Port 52

Geeks with Blogs

JANUARY 26, 2024

At its core, Mailtrap is a service that offers a fake SMTP server for the safe testing of emails. This means you can test and debug email functionalities of your applications without the risk of sending test emails to real users. It’s a sandbox service for your email testing needs. What is Mailtrap?

Email 40

Email Application Server 40

CATO Networks

JUNE 29, 2017

Attackers allegedly planted the malware in the companys update servers. The mailboxes that were used by the attackers have been disabled by the email provider. Figure 2: The email account used by NotPetya has been blocked. The company then erroneously distributed the malware as part of a software update.

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SMB Cloud Encryption Email 52

Akins IT

APRIL 25, 2022

For example, each month Microsoft gathers billions of data points from over 450 billion authentications, 400 billion emails, and over one billion Windows devices. Defender for Office 365 can catch new variants of a malware attack, such as when email is utilized as the vehicle of attack.

Education 52

Education Email Encryption Cloud 52

Kentik

MARCH 13, 2023

How it used to be When I started my career in networking, servers were down the hall or in the campus data center. The WAN was how we got access to some websites and sent emails.

WAN 98

WAN Wide Area Network Topology Internet 98

CATO Networks

MARCH 24, 2020

At the beginning of the month, Microsoft released an advisory and security patch for a serious Windows Server Message Block (SMB) vulnerability called the Windows SMBv3 Client/Server Remote Code Execution Vulnerability (AKA Windows SMBv3 RCE or CVE-2020-0796). This would solve the problem for SMB servers but not SMB clients.

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SMB Port Server Protocol 52