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RemyCC: best TCP algorithms from MIT AI

https://sudonull.com/remycc-best-tcp-algorithms-from-mit-ai

Learn how Remy generates congestion control for TCP that surpasses Cubic and Compound TCP. ns-2 test results, application for dev. Optimize your network stack.

TCP server in iOS on POSIX sockets

https://sudonull.com/tcp-server-in-ios-on-posix-sockets

Implementation of TCP server in iOS app via BSD sockets. POSIX API, HTTP parsing, file serving. Code and explanations for middle/senior iOS dev. Test locally.

OSI TCP/IP Network Models: Protocols and Vulnerabilities

https://sudonull.com/osi-tcp-ip-network-models-protocols-and-vulnerabilities

Complete reference on OSI and TCP/IP models, protocols from Ethernet to QUIC. Layers, PDU, security risks, commands for middle/senior developers. Study network structures.

CVE-2026-4247 FreeBSD TCP DoS Vulnerability

https://sudonull.com/cve-2026-4247-freebsd-tcp-dos-vulnerability

Analysis of CVE-2026-4247: mbuf leak in TCP Challenge ACK FreeBSD. Attack vectors, sysctl fix, branch patches. Update systems to protect against remote DoS.

ICMP tunnel in the Linux kernel: TCP/UDP encapsulation

https://sudonull.com/icmp-tunnel-in-the-linux-kernel-tcp-udp-encapsulation

How to implement an ICMP tunnel in the Linux kernel for TCP/UDP traffic encapsulation. Code analysis, Netfilter hooks and working with sk_buff. Useful for middle/senior developers.

From the web

IRS Lien Search | Federal Lien Search

https://federalliensearch.com/irs-lien-search/

IRS Lien Search on Federal Lien Search. How a federal tax lien search follows the Notice of Federal Tax Lien into the office where the IRS filed it, and how a release is a later document.

Oct 15, 2026 ·

https://deliataxattorneys.com/irs-tax-liens-in-2026-when-the-irs-files-a-notice-of-federal-tax-lien-and-how-to-get-it-released/

Oct 15, 2026 · IRS Tax Liens in 2026: When the IRS Files a Notice of Federal Tax Lien and How to Get It Released How federal tax liens work, when the IRS files a public lien notice, and the options for release, withdrawal, discharge, or subordination For taxpayers with significant IRS balances, few collection actions sound more serious than a federal tax lien.

Jan 1, 2023 ·

https://www.irs.gov/privacy-disclosure/automated-lien-system-database-listing

Jan 1, 2023 · A standard listing of business liens extracted quarterly from the IRS Automated Lien System database is available in pipe-delimited text format on compact disc (CD). The database from which this information was extracted doesn't represent the legal filings of notices of federal tax liens. The data, therefore, may be incomplete and, in some instances, inaccurate. For official purposes, confirm ...

How to Search for Federal Tax Liens – My Legal Tips

https://mylegaltips.com/how-search-federal-tax-liens/

Dec 1, 2025 · Federal tax liens are public records. The primary sources to search include: IRS Notice of Federal Tax Lien (NFTL) records, which are filed with county clerks or recorder offices where the taxpayer resides or where property is located. State and county public records databases that reflect NFTLs filed in that jurisdiction.

Oct 1, 2026 ·

https://whatismyirsletter.com/articles/irs-form-668y-notice-of-federal-tax-lien

Oct 1, 2026 · Form 668(Y) is the Notice of Federal Tax Lien filed in public records; it is not a levy served on a bank or employer.

How to Search for Federal Tax Liens – Vertex Legal

https://vertexlegal.org/how-search-federal-tax-liens/

Nov 27, 2025 · Review related notices such as Notice of Federal Tax Lien (NFTL) filings and releases to confirm current status. Cross-check with state tax liens and judgments to identify additional encumbrances that may affect title or financing. Document dates, amounts, and status for each lien, and obtain certified copies if needed for due diligence.

Tax lien search basics - Wolters Kluwer

https://www.wolterskluwer.com/en/expert-insights/state-tax-lien-search

May 6, 2022 · Learn to navigate the complexities of federal and state tax lien searches, and how Lien Solutions’ fast, accurate, and thorough database searches can help.

Federal Tax Lien on Your House: Selling, Refinancing & Removal

https://www.property-tax.info/blog/federal-tax-lien-on-house

Oct 29, 2026 · What an IRS federal tax lien on your house means, how it differs from a levy, how to sell or refinance with one (discharge and subordination), and how to get it released or withdrawn.

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