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Moving from OpenBSD to FreeBSD for firewalls
(utcc.utoronto.ca) by zdw | view | 150 comments
DNS Firewalling with MISP and Technitium DNS Server
(zaferbalkan.com) by feldrim | view | 22 comments
BSD PF versus Linux nftables for firewalls for us
(utcc.utoronto.ca) by zdw | view | 0 comments
LionsOS Firewall System (SeL4)
(lionsos.org) by snvzz | view | 0 comments
Show HN: I made a Rust Terminal UI for OpenSnitch, a Linux application firewall
(github.com) by quadrophenia | view | 0 comments
We're (now) moving from OpenBSD to FreeBSD for firewalls
(utcc.utoronto.ca) by birdculture | view | 2 comments
Security Layer 4.0 – First semantic firewall blocks malicious intent"
by jaspertvdm | view | 0 comments
China-linked Storm-1849 spent October targeting Cisco ASA firewalls
(scworld.com) by Bender | view | 0 comments
eBPF-powered firewall and TCP/HTTP proxy agent
(github.com) by davidpapp | view | 1 comments
Show HN: Opnsense-filterlog, a TUI for analysing OPNsense firewall logs
(gitlab.com) by allddd | view | 0 comments
54-Point Security Gap Across 12 Cloud Firewalls (2026)
(secureiqlab.com) by cyberdefender | view | 0 comments
Show HN: Rampart – Runtime firewall for Claude Code and AI agents in YOLO mode
(github.com) by trevxr | view | 0 comments
Show HN: Experimental eBPF Firewall in Rust with Heuristic Risk Scoring
(github.com) by n1ghtm4rr3 | view | 0 comments
Ghost in the Machine: Cisco's Firewall Crisis Exposes a Critical Digital Defence
(elnion.com) by dezb | view | 0 comments
Cisco ASA firewalls still under attack; CISA issues guidance for patch
(scworld.com) by Bender | view | 0 comments
The Great Firewall Part 2: Technical Infrastructure
(dti.domaintools.com) by pabs3 | view | 0 comments
'Fireproof' batteries create their own internal firewall when the heat is on
(newatlas.com) by breve | view | 0 comments
Show HN: MCP-fence – MCP firewall I built and tried to break (6 audit rounds)
(npmjs.com) by yjcho9317 | view | 0 comments
Show HN: Senthex AI firewall for LLM API calls (one line of code, 16ms overhead)
(senthex.com:443) by yohann_senthex | view | 0 comments
Semantic Firewall
(hijo790401.github.io) by look888 | view | 0 comments
WireGUI – Open-source WireGuard management platform with SSO and firewall rules
(github.com) by bartei81 | view | 0 comments
Show HN: Vedette a macOS File Firewall
(aquilon.dev) by withzombies | view | 0 comments
Iron-proxy – An egress firewall for untrusted workloads
(github.com) by gslepak | view | 0 comments
Meraki MX Security: How Cloud-Managed Firewalls Protect Multi-Site Networks
(meraki.deal) by novbox | view | 0 comments
Show HN: CargoWall – eBPF Firewall for GitHub Actions
(github.com) by caleblloyd | view | 0 comments
Show HN: AI Cost Firewall – OpenAI-compatible gateway with semantic caching
(github.com) by vcaluser | view | 0 comments
Building a Firewall via Endpoint Security?
(objective-see.org) by sashk | view | 0 comments
Isartor – Pure-Rust prompt firewall, deflects 60-95% of LLM traffic
(github.com) by zippode | view | 0 comments
Ghost Gap: Supply chain firewall for LiteLLM
(github.com) by zabeerbro | view | 1 comments
Show HN: AgentGuard – An open-source firewall to secure autonomous AI agents
(github.com) by millimercure | view | 0 comments
Show HN: We audited 914 K8s PRs for AI slop with a zero-upload AST firewall
(github.com) by GhrammR | view | 0 comments
Nomos – an execution firewall for AI agents
(github.com) by prudhvinomos | view | 0 comments
Show HN: I built a 0.07ms Python firewall to stop AI hallucinations
by richardewing1 | view | 0 comments
Evilwaf – MitM Firewall bypass proxy and WAF vulnerability scanner
(github.com) by matrixleons | view | 1 comments
There Is No Firewall for English
(openguard.sh) by everlier | view | 0 comments
Veto: Permission policy engine and LLM firewall for AI coding agents
(vetoapp.io) by damienhauser | view | 1 comments
The Firewall Doesn't Live in the Kernel
(becker63.digital) by becker63 | view | 1 comments
Little Snitch, a macOS personal firewall
(obdev.at) by nopurpose | view | 0 comments
Ask HN: How do I make UK and US hosters disown Russian Firewall?
by thriftwy | view | 0 comments
Execwall – firewall to stop ModelScope CVE-2026-2256 (AI agent command injectn)
by sentra | view | 0 comments
TruthLayer – Real-time AI hallucination firewall on AWS
(builder.aws.com) by Prakhar2025 | view | 0 comments
Show HN: Rampart – Open-source firewall for AI agents (v0.8)
(rampart.sh) by trevxr | view | 1 comments
MVAR: Deterministic execution firewall for LLM agents (50 attacks blocked)
(github.com) by ShawnC21 | view | 2 comments
Show HN: Agent Firewall – Go proxy to kill LLM death spirals
by wuweiaxin | view | 0 comments
NUPA: Zero-cost $34T debt discharge and AI job firewall
(github.com) by bedardbrandon89 | view | 1 comments
Show HN: AvaKill – Deterministic safety firewall for AI agents (<1ms, no ML)
(github.com) by duroapp | view | 0 comments
Show HN: Aegis – Open-source pre-execution firewall for AI agents
(github.com) by AEGIS_JB | view | 0 comments
Show HN: Kvlar – Open-source firewall for AI agent tool calls
(github.com) by kvlar | view | 0 comments
Show HN: Only firewall for AI prompts with a security grade on every PR
(promptguard.co) by acebot712 | view | 0 comments
Show HN: MCP-firewall: I created a policy engine for CLI Agents
(github.com) by ttouch | view | 0 comments