…more coherent and also has fantastic documentation. The OpenBSD FAQ as well as the pf.conf and pfctl cover most things you need to know regarding PF (there's also a book by Peter Hansteen called "The Book of PF" that is an excellent resource). netfilter on the hand feels much more "stitched together". You want to configure IPv4 rules ? iptables. IPv6 ? ip6tables. You have rules tracking state? conntrack. The…
Thanks for mentioning it. If this is it, it's in O'Reilly's Safari catalog (I've no association, just a Safari account): The Book of PF, 3rd Edition By: Peter N.M. Hansteen Publisher: No Starch Press Pub. Date: October 8, 2014 Print ISBN-13: 978-1-59327-589-1 Pages in Print Edition: 248 http://my.safaribooksonline.com/book/operating-systems-and-s...
我不确定最新版有没有讲 pfsync 和 carp，不过这个主题有本书，Peter N. M. Hansteen 写的《The Book of PF》。https://nostarch.com/pf3 OpenBSD 的 PF 防火墙已经被 Solaris 采用了，我记得在 FreeBSD 和 Linux 里也是个选项。https://en.wikipedia.org/wiki/PF_(firewall)
I am not sure if the latest edition covers pfsync and carp, but there is a book on this subject, "The Book of PF" by Peter N. M. Hansteen. https://nostarch.com/pf3 OpenBSD's PF firewall has been adopted by Solaris, and I believe it is an option in FreeBSD and Linux. https://en.wikipedia.org/wiki/PF_(firewall)
跟 OpenBSD 有关，也跟 BSD 整体有关。Peter N. M. Hansteen 正在拍卖《The Book of PF》第 3 版的第一本签名本。拍卖所得他会捐给 OpenBSD 基金会。http://bsdly.blogspot.ca/2014/10/the-book-of-pf-3rd-edition-……
Related to OpenBSD, and BSD in general. Peter N. M. Hansteen is auctioning off the first signed copy The Book of PF, 3rd edition. He will be supporting the OpenBSD Foundation by donating the amount raised. http://bsdly.blogspot.ca/2014/10/the-book-of-pf-3rd-edition-...
Peter Hansteen 还写过《The Book of pf》（http://nostarch.com/pf2.htm），据说相当不错。
Peter Hansteen also wrote "The Book of pf" (http://nostarch.com/pf2.htm), which is supposed to be quite good.
……逻辑更连贯，文档也极其出色。OpenBSD 的 FAQ 以及 pf.conf 和 pfctl 涵盖了大部分关于 PF 你需要了解的内容（Peter Hansteen 还写过一本叫《The Book of PF》的书，是不可多得的优质资源）。相比之下，netfilter 感觉非常“东拼西凑”。想配 IPv4 规则？找 iptables。IPv6？找 ip6tables。想做状态跟踪？找 conntrack。这种……
…more coherent and also has fantastic documentation. The OpenBSD FAQ as well as the pf.conf and pfctl cover most things you need to know regarding PF (there's also a book by Peter Hansteen called "The Book of PF" that is an excellent resource). netfilter on the hand feels much more "stitched together". You want to configure IPv4 rules ? iptables. IPv6 ? ip6tables. You have rules tracking state? conntrack. The…
谢谢提醒。如果是这本的话，它在 O'Reilly 的 Safari 书库里（我跟他们没关系，只是有个 Safari 账号）：《The Book of PF》第 3 版，作者：Peter N.M. Hansteen，出版方：No Starch Press，出版日期：2014 年 10 月 8 日，纸质版 ISBN-13：978-1-59327-589-1，纸质版页数：248，http://my.safaribooksonline.com/book/operating-systems-and-s……
Thanks for mentioning it. If this is it, it's in O'Reilly's Safari catalog (I've no association, just a Safari account): The Book of PF, 3rd Edition By: Peter N.M. Hansteen Publisher: No Starch Press Pub. Date: October 8, 2014 Print ISBN-13: 978-1-59327-589-1 Pages in Print Edition: 248 http://my.safaribooksonline.com/book/operating-systems-and-s...
我不确定最新版有没有讲 pfsync 和 carp，不过这个主题有本书，Peter N. M. Hansteen 写的《The Book of PF》。https://nostarch.com/pf3 OpenBSD 的 PF 防火墙已经被 Solaris 采用了，我记得在 FreeBSD 和 Linux 里也是个选项。https://en.wikipedia.org/wiki/PF_(firewall)
I am not sure if the latest edition covers pfsync and carp, but there is a book on this subject, "The Book of PF" by Peter N. M. Hansteen. https://nostarch.com/pf3 OpenBSD's PF firewall has been adopted by Solaris, and I believe it is an option in FreeBSD and Linux. https://en.wikipedia.org/wiki/PF_(firewall)
跟 OpenBSD 有关，也跟 BSD 整体有关。Peter N. M. Hansteen 正在拍卖《The Book of PF》第 3 版的第一本签名本。拍卖所得他会捐给 OpenBSD 基金会。http://bsdly.blogspot.ca/2014/10/the-book-of-pf-3rd-edition-……
Related to OpenBSD, and BSD in general. Peter N. M. Hansteen is auctioning off the first signed copy The Book of PF, 3rd edition. He will be supporting the OpenBSD Foundation by donating the amount raised. http://bsdly.blogspot.ca/2014/10/the-book-of-pf-3rd-edition-...