VirtualTam's bookmarks

1. Lychee - Finds broken hyperlinks and mail addresses inside Markdown, HTML, reStructuredText, or any other text file or website! 2024-12-21

   tags: command-line, network/url, programming/markdown, programming/rust, web

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   • lycheeverse/lychee-action - Github action to check for broken links in Markdown, HTML, and text files
2. /r/WireGuard - Has anyone successfully figured out how to use IPv6 MASQUERADE? 2024-05-16

   tags: linux, linux/iptables, network/address-translation, network/ipv6, network/vpn/wireguard

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3. High-Speed Packet Transmission in Go: From net.Dial to AF_XDP 2024-03-31

   tags: linux/kernel, linux/kernel/ebpf, network/bgp, network/packet, network/router, network/socket, programming/go

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   • Building an XDP (eXpress Data Path) based BGP peering router
   • atoonk/ping-aws-ips - ping all AWS IP addresses to see how many ec2 instances AWS has at any given time
   • atoonk/go-pktgen - Go Packet Generator
4. check-if-email-exists: Check if an email address exists without sending any email, written in Rust. Comes with a ⚙️ HTTP backend. 2023-01-08

   tags: email, network/smtp, programming/rust

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5. netaddr.IP: a new IP address type for Go 2022-11-12

   tags: network/ip, programming/go

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   • Go at Tailscale
6. Git with Multiple E-Mail Addresses (And How I Make Sure to Commit with the Right One) 2022-07-27

   tags: command-line, email, source-code-management/git

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7. wireguard-vanity-address: generate Wireguard keypairs with a given prefix string 2021-08-21

   tags: command-line, cryptography, cryptography/elliptic-curve, network/vpn/wireguard

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   • https://www.reddit.com/r/bash/comments/bx9ctt/wireguard_vanity_key_generator_written_in_posix_sh/
8. How to Get A Docker Container IP Address - Explained with Examples 2021-04-05

   tags: command-line, linux/container/docker, network, network/dhcp

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9. eturnal: STUN / TURN standalone server 2020-12-29

   tags: network, network/address-translation, network/stun, network/turn, network/webrtc, programming/erlang

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   • https://eturnal.net/documentation/
   • https://github.com/processone/stun
10. How NAT traversal works · Tailscale Blog 2020-09-19

    tags: network, network/address-translation, network/firewall, network/router, network/tcp, network/udp, network/webrtc

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11. What is the IPv6 equivalent to IPv4 RFC1918 addresses? - Server Fault 2020-03-31

    tags: linux, network, network/ip, network/ipv4, network/ipv6

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    • https://tools.ietf.org/html/rfc4193
    • https://en.wikipedia.org/wiki/Unique_local_address
    • https://github.com/transumption/subnetgen
    • https://github.com/adeverteuil/bash-ula-generator
12. Comparison of NAT Instances and NAT Gateways - Amazon Virtual Private Cloud 2019-06-27

    tags: cloud-computing, cloud-computing/aws, network, network/router, security

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    • https://www.theguild.nl/cost-saving-with-nat-instances/
    • https://dzone.com/articles/nat-instance-vs-nat-gateway
    • https://docs.aws.amazon.com/vpc/latest/userguide/VPC_NAT_Instance.html
    • https://docs.aws.amazon.com/vpc/latest/userguide/vpc-nat-gateway.html
    • https://aws.amazon.com/blogs/aws/new-managed-nat-network-address-translation-gateway-for-aws/
    • https://dzone.com/articles/aws-vpc-nat-instance-failover
    • https://aws.amazon.com/articles/high-availability-for-amazon-vpc-nat-instances-an-example/
13. A brief history of the UUID · Segment Blog 2019-05-30

    tags: address, cryptography/hash, cryptography/random, data, date, id, network, programming/go, telephone, unique

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14. netaddr - A network address manipulation library for Python 2019-02-06

    tags: network, network/ip, programming/python, subnet

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    • https://github.com/drkjam/netaddr/tree/master
15. [openvpn] ERROR: could not find an available, non-overlapping IPv4 address pool among the defaults to assign to the network · Issue #418 · docker/for-linux · GitHub 2019-01-28

    tags: linux/container/docker, network, network/vpn

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    • https://www.reddit.com/r/docker/comments/5nf966/cant_start_daemon/
16. dhcplb - Facebook's implementation of a load balancer for DHCP. 2019-01-03

    tags: address, distributed, network, network/dhcp

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    • https://www.usenix.org/conference/srecon15europe/program/presentation/failla
17. coturn TURN server project 2018-08-03

    tags: linux, media, network/address-translation, network/stun, network/turn, nextcloud, programming/c, video

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    • https://github.com/coturn/coturn/wiki/turnserver
    • https://www.linuxbabe.com/linux-server/install-coturn-turn-server-spreed-webrtc
    • https://webrtc.ventures/2017/08/quick-guide-stunturn-webrtc/
    • https://stackoverflow.com/questions/40583954/coturn-stun-works-but-turn-does-not-work
    • https://hub.docker.com/r/instrumentisto/coturn
    • https://help.nextcloud.com/t/howto-setup-nextcloud-talk-with-turn-server/30794
    • https://en.wikipedia.org/wiki/STUN
    • https://en.wikipedia.org/wiki/Traversal_Using_Relays_around_NAT
18. Traversal Using Relays around NAT (TURN) 2018-08-03

    tags: ietf/rfc, media, network/address-translation, network/stun, network/turn, network/webrtc, server

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    • https://tools.ietf.org/html/rfc5766
    • https://tools.ietf.org/html/rfc6156
    • https://tools.ietf.org/html/rfc7065
    • https://en.wikipedia.org/wiki/Traversal_Using_Relays_around_NAT
    • https://webrtc.ventures/2017/08/quick-guide-stunturn-webrtc/
    • https://www.openttd.org/news/2021/09/26/new-multiplayer-experience
    • https://tailscale.com/blog/how-nat-traversal-works/
19. iptables 2018-07-04

    tags: linux, linux/iptables, network, network/firewall, network/router, sysadmin

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    Documentation:

    • https://www.netfilter.org/documentation/index.html
    • https://www.netfilter.org/documentation/HOWTO//netfilter-hacking-HOWTO.html
    • https://www.netfilter.org/documentation/HOWTO//networking-concepts-HOWTO.html
    • https://www.netfilter.org/documentation/HOWTO//NAT-HOWTO.html
    • https://www.netfilter.org/documentation/HOWTO//packet-filtering-HOWTO.html
      • https://www.netfilter.org/documentation/HOWTO//packet-filtering-HOWTO-6.html
      • https://www.netfilter.org/documentation/HOWTO//packet-filtering-HOWTO-7.html

    Articles:

    • https://www.digitalocean.com/community/tutorials/how-the-iptables-firewall-works
    • https://www.digitalocean.com/community/tutorials/how-to-list-and-delete-iptables-firewall-rules
    • https://www.digitalocean.com/community/tutorials/iptables-essentials-common-firewall-rules-and-commands
    • https://www.digitalocean.com/community/tutorials/a-deep-dive-into-iptables-and-netfilter-architecture
    • https://www.digitalocean.com/community/tutorials/how-to-choose-an-effective-firewall-policy-to-secure-your-servers

    How-tos:

    • https://wiki.centos.org/HowTos/Network/IPTables
    • https://www.digitalocean.com/community/tutorials/how-to-set-up-a-firewall-using-iptables-on-ubuntu-14-04

    Routing:

    • https://www.frozentux.net/iptables-tutorial/iptables-tutorial.html
    • https://www.frozentux.net/iptables-tutorial/images/tables_traverse.jpg
    • https://www.frozentux.net/iptables-tutorial/images/table_subtraverse.jpg
    • https://upload.wikimedia.org/wikipedia/commons/3/37/Netfilter-packet-flow.svg

    RHEL Documentation:

    • https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/6/html/security_guide/sect-security_guide-firewalls-common_iptables_filtering
    • https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/6/html/security_guide/sect-security_guide-firewalls-forward_and_nat_rules
    • https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/6/html/security_guide/sect-security_guide-firewalls-malicious_software_and_spoofed_ip_addresses
    • https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/6/html/security_guide/sect-security_guide-firewalls-iptables_and_connection_tracking
    • https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/6/html/security_guide/sect-security_guide-iptables
    • https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/security_guide/sec-setting_and_controlling_ip_sets_using_iptables
20. How to get a Docker container's IP address from the host? - Stack Overflow 2018-06-29

    tags: address, linux/container, linux/container/docker, network, network/ip

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