Welcoem to posts!!
in the future - u will be able to do some more stuff here,,,!! like pat catgirl- i mean um yeah... for now u can only see others's posts :c
Endpoint Detection Response
#edr #networking #network #security #cybersecurity #endpoint #tecversity #venkateshnataraj
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OSI layers and Cyber Attack
#osi #cyberattack #networking #security #tecversity #venkateshnataraj
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Today, we celebrate the 76th Republic Day of India, a day that marks the adoption of our Constitution and the values of justice, liberty, equality, and fraternity it stands for. Let us honor the vision of our forefathers and pledge to uphold the democratic spirit of our nation. Wishing everyone a very Happy Republic Day! ๐ฎ๐ณ
#republicday #76threpublicday #india #democracy #UnityInDiversity #ProudIndian #constitutionDay #Indianconstitution #JusticeLibertyEquality #tecversity
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๐๏ธ Exciting News! Our 1st Podcast is Coming Soon! ๐
Hey, #Tecversity community! ๐
We are thrilled to announce the launch of our very first podcast! ๐งโจ Get ready for engaging discussions, thought-provoking ideas, and expert insights as we dive into "Mastering the Art and Science of Technical Program Management: Timeless Lessons from a Seasoned Leader"
What to Expect:
๐ In-depth conversations with industry expert
๐ก Fresh perspectives on Technical Program Management
๐ค Stories that inspire and empower
Stay tuned for updates on the launch date, exclusive sneak peeks, and behind-the-scenes content. ๐
Don't forget to like, subscribe, and hit that notification bell ๐ so you donโt miss out!
#Our1stPodcast #ComingSoon #PodcastLaunch #tecversity #Innovation #StayTuned #programmanagement
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7 Essential Networking Protocols Every Tech Pro Should Know
1. TCP/IP (Transmission Control Protocol/Internet Protocol)
โข The Internet's foundation
โข TCP: Ensures reliable, ordered data delivery
โข IP: Handles addressing and routing
โข Key features:
- Connection-oriented (TCP)
- Error checking and recovery
- Flow control
โข Common ports: HTTP (80), HTTPS (443), FTP (21)
โข Troubleshooting tools: ping, traceroute, netstat
2. DNS (Domain Name System)
โข Internet's phonebook: maps domain names to IP addresses
โข Hierarchical, distributed database
โข Key components:
- Root servers
- TLD (Top-Level Domain) servers
- Authoritative name servers
โข Record types: A, AAAA, MX, CNAME, TXT
โข Security concern: DNS cache poisoning
โข Troubleshooting tool: nslookup, dig
3. HTTP/HTTPS (Hypertext Transfer Protocol / Secure)
โข Application layer protocol for web communication
โข HTTP methods: GET, POST, PUT, DELETE, etc.
โข Status codes:
- 2xx (Success)
- 3xx (Redirection)
- 4xx (Client Error)
- 5xx (Server Error)
โข HTTPS: Adds SSL/TLS encryption
โข Performance optimization: HTTP/2, HTTP/3
โข Debugging tools: Chrome DevTools, Wireshark
4. SMTP (Simple Mail Transfer Protocol)
โข Standard for email transmission
โข Works with other protocols: POP3, IMAP
โข Key features:
- Store and forward
- Queuing
- Notification of delivery failure
โข Security measures: SPF, DKIM, DMARC
โข Common ports: 25 (unencrypted), 587 (TLS)
โข Troubleshooting tool: telnet
5. FTP (File Transfer Protocol)
โข Standard for file transfers over TCP networks
โข Operates on separate control and data connections
โข Modes: Active vs. Passive
โข Security concern: data transmitted in cleartext
โข Secure alternatives: SFTP, FTPS
โข Common ports: 20 (data), 21 (control)
โข Client tools: FileZilla, WinSCP
6. UDP (User Datagram Protocol)
โข Connectionless transport protocol
โข Use cases: DNS queries, VOIP, streaming media
โข Advantages:
- Low latency
- Simple error checking
โข Disadvantages: No guarantee of delivery or order
โข Common ports: DNS (53), DHCP (67, 68)
โข Debugging tool: Wireshark
7. DHCP (Dynamic Host Configuration Protocol)
โข Automates IP address assignment
โข Key components:
- DHCP server
- DHCP client
- DHCP relay agent
โข Lease process: DORA (Discover, Offer, Request, Acknowledge)
โข Options: Subnet mask, default gateway, DNS servers
โข Troubleshooting commands: ipconfig /release, ipconfig /renew
Understanding these protocols is just the beginning. The real skill lies in applying this knowledge to design robust networks, troubleshoot complex issues, and optimize performance.
#tecversity
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๐๐ณ๐ฎ๐ซ๐ ๐๐๐ญ๐ ๐ฉ๐ข๐ฉ๐๐ฅ๐ข๐ง๐ ๐๐๐๐๐ซ๐๐ง๐๐ ๐๐ซ๐๐ก๐ข๐ญ๐๐๐ญ๐ฎ๐ซ๐
This post outlines an architecture for migrating z/OS mainframe OLTP applications to a scalable, highly available system on Azure, focusing on various components and considerations. It's divided into networking and identity, application, storage, and monitoring.
๐๐๐ญ๐ฐ๐จ๐ซ๐ค๐ข๐ง๐ ๐๐ง๐ ๐๐๐๐ง๐ญ๐ข๐ญ๐ฒ:
Azure ExpressRoute: Enables private connections between on-premises infrastructure and Azure datacenters.
Microsoft Entra ID: Manages identities and accesses by synchronizing with an on-premises directory.
Azure Front Door & Traffic Manager: Offer global HTTP load balancing and DNS request routing.
Azure Web Application Firewall & Azure CDN: Protect apps from attacks and enhance content delivery.
Azure Application Gateway & Load Balancer: Provide layer 7 and layer 4 load balancing respectively.
๐๐ฉ๐ฉ๐ฅ๐ข๐๐๐ญ๐ข๐จ๐ง:
Azure API Management & App Service: Facilitate API publishing, security, and scalable web app hosting.
Azure Kubernetes Service (AKS) & Azure Spring Apps: Manage containerized applications and run Spring microservices.
Azure Service Bus & Azure Functions: Enable cloud messaging and running small pieces of code, respectively.
Azure Cache for Redis: Offers in-memory caching to improve performance.
๐๐ญ๐จ๐ซ๐๐ ๐:
Azure Storage: Provides scalable cloud services for data and applications.
Azure SQL & Azure Cosmos DB: Offer cloud databases for a variety of use cases.
Azure Database for PostgreSQL & MySQL: Fully managed database services.
๐๐จ๐ง๐ข๐ญ๐จ๐ซ๐ข๐ง๐ :
Azure Monitor & Log Analytics: Collect, analyze, and act on telemetry data.
Application Insights & Azure Monitor Alerts: Provide application-level monitoring and alerting.
Scenario Details: The architecture supports evolving business needs, offering a scalable and highly available cloud system using Azure's platform as a service (PaaS). It's particularly suited for OLTP workloads that serve an international user base and require flexible scaling.
#tecversity
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Welcome to Tecversity โ Your Gateway to Cutting-Edge Technology
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