OpenBSD Handbook

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    • Part I. Install & Configure
      • Introduction to OpenBSD
      • Installing OpenBSD
      • The X Window System
      • Networking on OpenBSD
      • System Configuration
      • OpenBSD Basics
      • Managing Software: Packages and Ports
    • Part II. Daily Operations
      • OpenBSD Desktop Environments
      • Multimedia
      • Printing
      • Linux Compatibility
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      • Games
    • Part III. System Administration
      • Virtualization
      • Storage and File Systems
      • Updating and Upgrading
      • Localization
      • The OpenBSD Boot Process
      • Security
    • Part IV. Networking & Daemons
      • Services
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      • PF
        • pfctl cheat sheet
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      • Advanced Networking
        • High Availability and State Replication
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        • IPv6 at Scale
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        • Network Services at Scale
        • Virtualization and Host Networking
        • Large-Scale L2 and L3 Design
        • Telemetry, Logging, and Flow Export
        • Hardening and Operational Safety
        • Reference Architectures
        • Troubleshooting Playbooks
      • Serial Communication
    • Part V. Miscellaneous
      • Virtualization Cheat Sheet
      • OpenBSD Cheatsheet
      • How-to Guides
        • Complete the First 30 Minutes After Installation
        • Check Hardware Compatibility Before Installing
        • Bootstrap Wi-Fi Firmware Without Ethernet
        • Set Up OpenBSD as a Laptop or Workstation
        • Configure Laptop Power Management
        • Run OpenBSD as a Virtual Machine Guest
        • Install OpenBSD on a VPS or Cloud Server
        • Install OpenBSD with Full-Disk Encryption
        • Troubleshoot Web Browsers on OpenBSD
        • Create an Administrator Account with doas and SSH Keys
        • Establish a Conservative Security Baseline
        • Manage OpenBSD with Ansible
        • Recover Access and Reset the Root Password
        • Collect OpenBSD Diagnostic Evidence
        • Configure Secure Remote Access with OpenSSH
        • Set Up WordPress on OpenBSD
        • Build Third-Party Software from Ports
        • Use FIDO Security Keys with OpenSSH
        • Build OpenBSD from Source
        • Configure Wi-Fi Roaming and Wired Failover
        • Dual-Boot OpenBSD on a UEFI System
        • Troubleshoot PF, NAT, and Routing
        • Automate OpenBSD Installation with Autoinstall and PXE
        • Route Multiple VLANs with PF
        • Configure a Road-Warrior WireGuard VPN
        • Troubleshoot Package Installation and Update Failures
        • Route IPv6 Networks without NAT
        • Schedule Recurring Maintenance
        • Plan a Docker Workload Migration to OpenBSD
        • Build a Mail Server with OpenSMTPD, Dovecot, and Rspamd
        • Build a Simple Router and Firewall
        • Monitor an OpenBSD System
        • Back Up and Restore an OpenBSD System
        • Configure softraid RAID1
        • Recover an OpenBSD System That Does Not Boot
        • Install Z shell (zsh)
      • OpenBSD for Linux Users
      • OpenBSD for FreeBSD Users
      • OpenBSD for macOS Users
    • OpenBSD FAQ
    • OpenBSD Architectures
      • OpenBSD Package Search

        igmpproxy-0.4p1

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        OpenBSD branch
        OpenBSD 8.0 releaseCurrent snapshot

        Current snapshot ยท amd64

        multicast router utilizing IGMP forwarding

        Project homepage: https://github.com/pali/igmpproxy/

        Description

        igmpproxy is a simple multicast routing daemon which uses IGMP forwarding to dynamically route multicast traffic. Routing is done by defining an "upstream" interface on which the daemon acts as a normal Multicast client, and one or more "downstream" interfaces that serves clients on the destination networks. This is useful in situations where other dynamic multicast routers cannot be used.

        Package information

        Ports path
        net/igmpproxy
        Package architecture
        amd64
        Maintainer
        The OpenBSD ports mailing-list <ports@openbsd.org>
        Categories
        net
        Available flavors
        None listed

        Ports list build and test dependencies as well as runtime dependencies. pkg_add selects those needed for installation.

        Direct dependencies

        Build

        • devel/dwz
        OpenBSD README

        This README contains unresolved ports variables; replace them before using its commands.

        +-----------------------------------------------------------------------
        | Running igmpproxy on OpenBSD
        +-----------------------------------------------------------------------
        
        To use igmpproxy on OpenBSD, you will need to configure it by
        editing ${SYSCONFDIR}/igmpproxy.conf, and configure the OS for
        multicast forwarding:
        
        # echo multicast=YES >> /etc/rc.conf.local
        # echo net.inet.ip.mforwarding=1 >> /etc/sysctl.conf
        
        and restart. Note that client machines using OpenBSD should
        also be configured with multicast=YES.
        
        Start igmpproxy at boot time in the usual way:
        
        # rcctl enable igmpproxy; rcctl start igmpproxy
        
        PF must be configured so that control packets (proto igmp) and
        data packets (destination address within 224.0.0.0/4) are passed.
        
        Running igmpproxy in chroot
        ---------------------------
        igmpproxy can run as an unprivileged user inside chroot when the
        chroot and user options are used. To chroot igmpproxy, use the
        following as part of your configuration file:
        
          chroot /var/empty
          user _igmpproxy
        

        Package guides

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