What is xfrm in linux The name XFRM stands for "transform" referencing the transformation of IP packets as per the IPSec protocol. 04LTS strongSwan swanctl 5. sudo ip link add xfrm1 type xfrm dev lo if_id 1 sudo ip link set xfrm1 up sudo ip addr add 10. If the all-nsid option is set, the program listens to all network namespaces that have a nsid assigned into the network namespace were 【推荐阅读】 一文看懂linux内核详解 linux内核内存管理-写时复制 深入了解使用linux查看磁盘io使用情况概述：什么是XFRM框架XFRM的正确读音 The xfrm_proc code is a set of statistics showing numbers of packets dropped by the transformation code and why. x kernels). 1 XFRM_MSG_NEWSA head SA 5. These counters are defined as part of the linux private MIB. The pcrypt and tcrypt kernel module allows the Linux kernel CryptoAPI to spread the crypto load of single IPsec SA's over multiple CPU's. NETLINK_XFRM from inside a container. 8. The end goal for syncing focal (8) ip-xfrm. Routing, network cards, OSI, etc. The end goal for syncing ID is specified by a source address, destination address, transform protocol XFRM-PROTO, and/or Security Parameter Index SPI. ip xfrm state deleteall delete all existing state in xfrm ip xfrm state list print out the list of existing state in xfrm ip xfrm state flush flush all state in xfrm ip xfrm state count count all existing state ID is specified by a source address, destination address, transform protocol XFRM-PROTO, and/or Security Parameter Index SPI. A compilation of Linux man pages for all commands in HTML. 6. After some research, it was true: the Linux kernel implements the most basic IP data encryption and decryption functions through the xfrm module, while user authentication XFRM Framework ¶ XFRM device - offloading the IPsec computations Overview Callbacks to implement Flow XFRM proc - /proc/net/xfrm_* files Transformation Statistics XFRM sync 1) “On Demand” SADB creation The Security Association is tracked in a xfrm_state structure in the Linux kernel. And the distributions take that. I successfully established a Didn't know that was possible in linux. 12. / net / xfrm / xfrm_output. xfrm in this case is pronounced Explore XFRM Programming for Linux IPsec. Thanks! NETLINK_XFRM is a family of Netlink-Sockets defined in include/uapi/linux/netlink. This patchset I'm trying to compress IP payload with ip xfrm between 2 computers. Figured it out: ip xfrm state add ${DDIR} proto esp spi ${SPI2} reqid ${SPI} \ mode transport auth sha256 ${SHAKEY2} enc aes ${AESKEY2} On both nodes to allow receipt with Linux - Security This forum is for all security related questions. 0. Libreswan has, new in 2019, support for route based vpn using Linux XFRM device. Questions, tips, system compromises, firewalls, etc. Currently, any 32-bit unsigned integer will work. Kindly help me on where am going wrong. com> Overview ¶ IPsec is a useful feature for The XFRM Device interface allows NIC drivers to offer to the stack access to the hardware offload. (For IP Payload Compression, the Compression ip xfrm state list print out the list of existing state in xfrm ip xfrm state flush flush all state in xfrm ip xfrm state count count all existing state in xfrm ID is specified by a source address, destination XFRM_MSG_NEWAE is issued by either user space to configure or kernel to announce events or respond to a XFRM_MSG_GETAE. libnl-xfrm-3-200 is library for dealing with netlink sockets - package transformations IPsec协议帮助IP层建立安全可信的数据包传输通道。当前已经有了如StrongSwan、OpenSwan等比较成熟的解决方案，而它们都使用 The xfrm_proc code is a set of statistics showing numbers of packets dropped by the transformation code and why. I can get the IPsec tunnel to work using public IPs as endpoints (so it's just IPsec) but not using private IPs on the Geneve link (so it's Linux kernel source tree. The end goal for syncing ip-xfrm man page. Have it packets: The number of packets that were processed by the IPsec subsystem, incremented in the Tx path by the xfrm_output_one () method, and in the Rx path by the That references Documentation/sysctl as the document that describes /proc/sys. Steps to reproduce the behaviour Try to use Cillium in k8s. Userland access to the offload is typically through a system such as libreswan or XFRM device - offloading the IPsec computations ¶ Shannon Nelson <shannon. (For IP Payload Compression, the Compression ip-xfrm (8) man page. The end goal for syncing XFRM device - offloading the IPsec computations ¶ Shannon Nelson <shannon. The source code is part of the kernel repository, Linux Watchdog Support Linux Virtualization Support The Linux Input Documentation Linux Hardware Monitoring Linux GPU Driver Developer’s Guide Security Documentation Linux xfrm is an IP framework for transforming packets (such as encrypting their payloads). It is configured via a set XFRM (IPsec) Management Relevant source files Purpose and Scope This document describes the XFRM framework within iproute2, which provides tools for managing Both of these issues are implemented by the xfrm module in the Linux kernel, and we can use ip xfrm to manage the relevant configuration. 2_amd64 NAME ip-xfrm - transform configuration SYNOPSIS ip [ OPTIONS ] xfrm { COMMAND | help } ip xfrm XFRM-OBJECT { On Linux, ip xfrm policy let's me specify the selector on which I want to enable IPsec. Logs XFRM Framework ¶ XFRM device - offloading the IPsec computations Overview Callbacks to implement Flow XFRM proc - /proc/net/xfrm_* files Transformation Statistics XFRM sync 1) Hi, I want to create a ipsec tunnel between two linux machine using ip-xfrm so that if I ping to each other I can see those as ESP packet. XFRM device - offloading the IPsec computations ¶ Shannon Nelson <shannon. c: replace timer with From: WANG Cong <xiyou. The end goal for syncing The xfrm_proc code is a set of statistics showing numbers of packets dropped by the transformation code and why. Any idea Linux kernel source tree. wangcong () XFRM The sync patches work is based on initial patches from Krisztian <hidden @ balabit. h libnl / include / linux-private / linux / xfrm. com man page documentation. I am facing operation not supported error. Userland access to the offload is typically through a system such as libreswan or KAME/raccoon, but the iproute2 ‘ip xfrm’ The XFRM Device interface allows NIC drivers to offer to the stack access to the hardware offload. com> Overview ¶ IPsec is a useful feature for for VPN connections, in my case using strongswan, I'm not able to setup xfrm interfaces with netplan. The IKE daemon can be set up so that SA’s are created “on-demand”, i. h - kernel/msm - Git at Googlefile log blame Linux kernel source tree. Userland access to the offload is typically through a system such as libreswan or I need to run IPsec over a Geneve tunnel (or GRETAP). 13. linux operating system manual for ip-xfrm section 8 of the unix. Hi I'm searching for a way how to execute syscall. 1/24 dev xfrm1 sudo ip route add 10. Article explaining what is xfs, features and commands of XFS. XFRM ¶ The sync patches work is based on initial patches from Krisztian <hidden @ balabit. h but I am not sure if this file contains the payload structure. ca >. My understanding of the xfrm state and the xfrm policy What does the selector (parameter sel) in the "ip xfrm state add" command achieve? The source and destination addresses (and additional parameters like ports and I found the problem. ip xfrm state list print out the list of existing state in xfrm ip xfrm state flush flush all state in xfrm ip xfrm state count count all existing state in xfrm ID is specified by a source address, destination Linux にはデフォルトで IPsec 通信を行う機能が備わっており、 ip xfrm コマンドで操作できる。 ip xfrm で操作できるオブジェクトは以下の2つ。 Linux - Networking This forum is for any issue related to networks or networking. The XFRM framework was introduced in kernel 2. 4 XFRM_MSG_GETSA 6 when nCPU < nSAs 7 Supported XFRM ¶ The sync patches work is based on initial patches from Krisztian < hidden @ balabit . c blob: 89b178a78dc7894ac477b876e3e25320c8265f85 [file] [log] [blame] This is excerpt from the book Linux Kernel Networking: type: Usually the type is XFRM_POLICY_TYPE_MAIN (0). Overview IPsec encryption in the Linux kernel relies on XFRM. ip [ OPTIONS ] xfrm { COMMAND | help } ip xfrm XFRM-OBJECT { COMMAND | help } XFRM-OBJECT := state | policy | monitor. hu> 和其他人的初始补丁，以及 Jamal <hadi @ cyberus. Note the two flags are mutually exclusive. When the kernel has support for subpolicy 文章浏览阅读1k次。文章详细介绍了Linux内核中的XFRM框架，它是IPsec协议的核心组件，负责接收和发送安全消息。文章涵盖 XFRM ¶ The sync patches work is based on initial patches from Krisztian <hidden @ balabit. . The IPsec implementation in modern Linux kernels is the so-called Xfrm framework, which is sometimes also called the Netkey stack. (For IP Payload Compression, the Compression XFRM states and policies enable configuring IPsec encryption without a virtual interface. This framework is used to implement the IPsec XFRM The sync patches work is based on initial patches from Krisztian <hidden @ balabit. hu > and others and additional patches from Jamal < hadi @ cyberus . ko and/or xfrm_policy. 15 The IPsec stack integrated in the Linux kernel since 2. 0-2ubuntu1. Right now, there are two types of hardware offload that kernel supports. XFRM 框架有望在以下几个方面持续发展：在量子计算技术逐渐成熟的背景下，XFRM 框架可能会进一步发展，以支持更高级别的量子安全加密算法，抵御量子计算机带来 Linux kernel source tree. That document references others in the kernel source tree documentation, so be prepared to XFRM -- IPsec协议的内核实现框架 Published at 2019-09-17 | Last Update 2019-09-17 IPsec 协议帮助IP层建立安全可信的数据包传输通道。当前已 xfrm, c, linux. Option: NET_KEY Kernel Versions: 2. The XFRM The sync patches work is based on initial patches from Krisztian <hidden @ balabit. , To attempt to do this, I’ll be delving into the ip xfrm commands extensively and trying to explain how the transform filters and policy work with the rest of the Linux networking XFRM ¶ The sync patches work is based on initial patches from Krisztian <hidden @ balabit. I am using 0. I traced them There aren't any (minimum or maximum values). DESCRIPTION top xfrm is an IP framework for transforming packets (such as encrypting their payloads). It allows you to restrict IPsec to a particular port, by specifying [ sport PORT ] [ dport I created ip xfrm rules on 2 machine and trying to pass traffic through the ipsec tunnel. The source/destination IP in the policy usually are different from what is used in the state, for this The XFRM Device interface allows NIC drivers to offer to the stack access to the hardware offload. Ubuntu 20. 0-1035-gcp I'm trying to setup an IKEv2 "roadwarrior" VPN that defers radius authentication to our upstream The XFRM Device interface allows NIC drivers to offer to the stack access to the hardware offload. XFRM_OUTPUT_MARK is for routing a packet after XFRM (think as ESP out or Clear text in) a look up key for routing rule, while XFRM framework into Linux kernel, Programmer Sought, the best programmer technical posts sharing site. Learn about XFS filesystem in Linux. Linux kernel source tree. builtin (ascii) in rootfs to help developers. This issue arises when the trusty (8) ip-xfrm. x - 5. 1 and computer 2 has 192. 3 XFRM State1. com> Overview ¶ IPsec is a useful feature for Linuxには、IPパケットのペイロードを変換するためのXFRMという、IPsecでも使用されているフレームワークがあります。 今回、XFRMに触れる機会があり、ググっても参 CONFIG_XFRM (not configurable) modulename: xfrm4_policy. 1 XFRM 实例1. This document covers the netlink library's interface for The xfrm_proc code is a set of statistics showing numbers of packets dropped by the transformation code and why. 04 running StrongSwan 5. The end goal for syncing It's CONFIG_NFT_XFRM, not CONFIG_NET_XFRM. h> /* All of the structures in this file may not change size as they are * passed into the kernel from userspace Xfce (pronounced as four individual letters, / ɛks ɛf siː iː /) [4] is a free and open-source desktop environment for Linux and other Unix-like operating XFRM_MSG_NEWAE is issued by either user space to configure or kernel to announce events or respond to a XFRM_MSG_GETAE. com> Leon Romanovsky <leonro @ nvidia. This guide explores the XFRM kernel module,which is crucial for managing IPsec's Security Associations XFRM is an IPSec implementation for the Linux kernel. For example, this allows multi One article takes you into the XFRM framework of the Linux kernel, Programmer Sought, the best programmer technical posts sharing site. This feature is widely used in broadband and mobile network infrastructures. To attempt to do this, I’ll be delving into the ip xfrm commands extensively and trying to explain how the transform filters and policy work with the rest of the Linux networking 在Linux操作系统环境下，xfrm被视为至关重要的子系统之一，提供针对IPsec协议的全面保护，涵盖加密、认证以及安全策略等环节。经由精心设置xfrm参数，我们便能增强网络 5 Linux kernel XFRM details 5. h (blame, raw). e. XFRM is an IP framework intended for packet transformations, from encryption to The basic architecture of the NetFilter subsystem in the Linux kernel and its implementation principle are discussed in the previous article. 2 Netlink 通道1. The end goal for syncing Linux kernel source tree. Computer 1 has the IP address 192. Fetch a list of available packages: # opkg update Install luci-proto-xfrm ipk package: # opkg install luci-proto-xfrm Linux kernel source tree. A ID is specified by a source address, destination address, transform protocol XFRM-PROTO, and/or Security Parameter Index SPI. If unsure, say Y. Describe the bug There is no loadable module for xfrm_user which is needed for proper Cilium support. Userland access to the offload is typically through a system such as libreswan or ip-xfrm man page. 2. are all included here. The end goal for syncing XFRM ¶ 同步补丁工作基于 Krisztian <hidden @ balabit. My approach was correct, but because of a kernel bug (in many 5. IPsec encryption in the Linux kernel relies on XFRM. gz Provided by: iproute2_3. ca> 的额外补丁。 同步的最终目标是能够插入属性并生成事件，以便安全地 Linux 引入XFRM是在不打乱原有的 网络协议 结构和HOOK点安全架构设计前提下，成功引入了一种基于策略的高扩展性的网络安全架构。 有人会说在HOOK点也能实现 Linux kernel source tree. The xfrm objects to monitor can be optionally specified. 0/8 dev xfrm1 In this tutorial we learn how to install libnl-xfrm-3-200 on Kali Linux. The design of virtual xfrm interfaces interfaces was discussed at the Linux IPsec workshop 2018. Probably only relevant for trees which get rebased (linux-6. I tried to run the Overview ¶ IPsec is a useful feature for securing network traffic, but the computational cost is high: a 10Gbps link can easily be brought down to under 1Gbps, depending on the traffic and I need to set up an IPSEC tunnel between two systems using ip xfrm commands, suitable for running ISIS over. 0) as changing changelogs of already committed trees is a General informations The Linux kernel configuration item CONFIG_XFRM has multiple definitions: #ifndef _LINUX_XFRM_H #define _LINUX_XFRM_H #include <linux/types. Anything is fair game. ip-xfrm man page. 1 接收2. Contribute to FuYuanDe/xfrm development by creating an account on GitHub. If your VPN server has many hunderds of IPsec ip-xfrm (8): xfrm is an IP framework for transforming packets (such as encrypting their payloads). The packet comes into the other end, encrypted, and disappears. The end goal for syncing Hey there! I am trying to create IPsec tunnels with XFRM interfaces from a Ubuntu24. c for each compression algorithm. It uses something called a "template" (tmpl), which, as far as I can tell, is just a means of DevOps & SysAdmins: Linux ip xfrm: What is the purpose of the tmpl? Helpful? Please support me on Patreon: / roelvandepaar With thanks & praise to God, and with thanks to the many people who have Linux (/ ˈlɪnʊks / LIN-uuks) [16] is a family of open source Unix-like operating systems based on the Linux kernel, [17] an operating system kernel first The ip xfrm command is an integral part of the iproute2 utilities, which emerged as the modern networking toolkit for Linux, largely replacing The XFRM Device interface allows NIC drivers to offer to the stack access to the hardware offload. Contribute to duasynt/xfrm_poc development by creating an account on GitHub. 15. XFRM ¶ The sync patches work is based on initial patches from Krisztian < hidden @ balabit . com> Overview IPsec is a useful feature for 目录1 Overview1. It is present in the Linux kernel since v2. nelson @ oracle. 168. My question is why have two modes, why not instead, on linux treat ipsec-interface=N as the xfrm id. In my project it is required to implement IPsec to packets programatically. Currently N is both the xfrm ID and the ipsecN numeric extension, While the current config already allows several XFRM functionalities, it doesn't offer XFRM interface support. The Linux kernel contains a vulnerability in the xfrm interface that can result in a use-after-free condition. linux / linux / kernel / git / torvalds / linux / refs/tags/v4. Give Xfce a try IPsec is natively supported by the Linux Kernel via its XFRM layer. As tar is fully aware of its Linux environment, you can use it to select files and directories that live outside your current working directory. I tried to start the container with --privileged mode, without luck. ca>. This framework is used to implement the IPsec protocol suite (with the state object Support for Transformation (XFRM) user configuration interface like IPsec used by native Linux tools. This framework is used to implement the IPsec protocol suite (with the sta Linux kernel source tree. For the inbound traffic, on the other hand, the traffic counters for the There is a file called uapi/linux/xfrm. In other words, the XFRM interface doesn't even need any IP assigned, you just need to create the interface and bring it up, the rest will be done by swan The ipv6 address is assigned to the client's wlp61s0 interface as, for example, 2222:33:8085:cf0:1:2:f6e5:a5d0/128. x versions and also some 4. 文章浏览阅读3. ko configname: CONFIG_XFRM Linux Kernel Configuration └─>Networking support This patchset introduces new virtual xfrm interfaces. This article will discuss another important IPsec encryption in the Linux kernel relies on XFRM. 10. 2 XFRM_MSG_NEWSA sub SA 5. XFRM is an IP framework intended for packet transformations, from encryption to compression. XFRM策略和XFRM状态是XFRM框架的基础数据结构，接下来我将陆续介绍什么是XFRM策略 以及XFRM状态 。 【文章福利】小编推荐自己的Linux XFRM ¶ The sync patches work is based on initial patches from Krisztian <hidden @ balabit. 7k次，点赞2次，收藏28次。本文深入探讨了Linux内核中的XFRM框架，包括XFRM框架的初始化过程、XFRM策略 XFRM ¶ The sync patches work is based on initial patches from Krisztian <hidden @ balabit. include/linux/xfrm. After encapsulated IP packets are extracted from IPsec, they are handed over to kernel to get standard linux processing of an incoming IP packet - no xfrm policy dir fwd is required here. XFRM_MSG_NEWAE is issued by either user space to configure or kernel to announce events or respond to a XFRM_MSG_GETAE. The XFRM infrastructure is protocol-family independent, which means that there is a generic part common to both IPv4 and IPv6, located The purpose of the template is to match between policy and state (SA). xfrm is an IP framework for transforming packets (such as encrypting their payloads). The Linux kernel matches forwarded traffic first against fwd policies, but then also against out policies, which is why the outbound traffic is processed by the outbound IPsec SA. It is configured via a set XFRM ¶ The sync patches work is based on initial patches from Krisztian <hidden @ balabit. While "ip link" just ip xfrm state get get existing state in xfrm ip xfrm state deleteall delete all existing state in xfrm ip xfrm state list print out the list of existing state in xfrm ip xfrm state flush flush all state in xfrm We would like to show you a description here but the site won’t allow us. com> Overview ¶ IPsec is a useful feature for [prev in list] [next in list] [prev in thread] [next in thread] List: linux-kernel Subject: Re: [Patch] (revised) net/xfrm/xfrm_policy. 2 Linux 5. 16-r on KDAB Codebrowser XFRM ¶ The sync patches work is based on initial patches from Krisztian < hidden @ balabit . Zero, the default priority, is also the highest priority (as in most preferred); Faster and configurable datapath/Linux xfrm Rewriting nftables to optimise for xfrm The project entails rewriting nftables (which is a subsystem of the Linux kernel responsible for packet The thresholds are statically defined in net/xfrm/xfrm_algo. The end goal for syncing Command to display ip-xfrm manual in Linux: $ man 8 ip-xfrm ip xfrm state list print out the list of existing state in xfrm ip xfrm state flush flush all state in xfrm ip xfrm state count count all existing state in xfrm ID is specified by a source address, destination The Linux ip xfrm policy command creates an IPsec policy, associating particular traffic with an SA. There will be an ipsec1 device where you can add routes or "routing policies". The vti and xfrm interface types, however, I think make it possible to route traffic The xfrm objects to monitor can be optionally specified. The end goal for syncing Get a virtual cloud desktop with the Linux distro that you want in less than five minutes with Shells! With over 10 pre-installed distros to choose from, the worry-free In such a case either XFRM_AE_CR (replay exceeded) or XFRM_AE_CE (timeout happened) is set to inform the user what happened. The end goal for syncing xfrm4_rcv --> xfrm4_rcv_spi --> xfrm4_rcv_encap --> xfrm_input 最终调用 xfrm_input 做收包解封装流程。 1、创建SKB的安全路径； 2、解析报文，获取daddr、spi，加 Linux kernel source tree. If the all-nsid option is set, the program listens to all network namespaces that have ip-xfrm - transform configuration. 18-rc6 / . Userland access to the offload is typically through a system such as libreswan or An exploration of the Linux XFRM subsystem, including patch analysis and vulnerability insights for CVE-2025-39965 (recently submitted as a kernelCTF entry). For deflate it is 90 bytes. hu> and others and additional patches from Jamal <hadi @ cyberus. user --> kernel to configure a specific SA. gz Provided by: iproute2_5. Thanks to examples on the web, I am able to create either an Download xfrm packages for OpenWrtxfrm latest versions: 5 4 xfrm architectures: all xfrm linux packages: ipk The XFRM subsystem provides comprehensive IPsec management capabilities through the Linux kernel's transformation framework. It is an interface to the Packet Transform (XFRM) framework which is mainly used for kernel For IPSEC anti-replay detection, if the sequence number is less than the lowest sequence in the window, is the packet dropped or accepted? I assume it should be dropped, 在此前的文章中讨论了Linux内核中Netfilter子系统的基本架构及其实现原理，本篇文章将讨论Linux内核另一个重要的子系统——XFRM框架。 下面 Whether you are running Linux on an older laptop or a low-powered desktop, Xfce provides a fast and responsive desktop environment that can meet your needs. 3 XFRM Policy2 接收发送IPsec报文2. Also, how to migrate from EXT to XFS. The end goal for syncing xfrm. 2 发送IPsec协议帮 The XFRM Device interface allows NIC drivers to offer to the stack access to the hardware offload. 3 XFRM_MSG_UPDSA 5. 6 (NETKEY) was originally based on the KAME stack (at least in regards to the API). The end goal for syncing XFRM ¶ The sync patches work is based on initial patches from Krisztian <hidden @ balabit. I was testing the xfrm framework through the ip xfrm commands, and when testing the state update operation, I did not manage to change either the encryption keys or the I am trying to configure ipsec through ip xfrm commands in debian image. h linux v6. The end goal for syncing Here are gory details for Linux kernel support that you may run into. The XFRM Device interface allows NIC drivers to offer to the stack access to the hardware offload. h Cannot retrieve latest commit at this time. This framework is used to implement the IPsec protocol suite (with the state object operating XFRM框架在Linux内核中负责IPsec功能，包括AH、ESP、SA管理、流量选择、加密认证和密钥管理。通过ipxfrm工具配置，适用于IPsecVPN、IPv6安全等场景，提供强大的网络安全支持。 XFRM device - offloading the IPsec computations Shannon Nelson <shannon. Userland access to the offload is typically through a system such as libreswan or XFRM interfaces can be associated to a VRF layer 3 master device, so any tunnel terminated by an XFRM interface implicitly is bound to that VRF domain. The end goal for syncing Get a virtual cloud desktop with the Linux distro that you want in less than five minutes with Shells! With over 10 pre-installed distros to choose from, the worry-free XFRM ¶ The sync patches work is based on initial patches from Krisztian <hidden @ balabit. 5. x versions) the ip xfrm tool didn't work properly. Can someone share where the payload structure is defined for xfrm netlink Contribute to rivsidn/Linux-System-Handbook development by creating an account on GitHub. The end goal for syncing A quick summary of difference between the two marks. 0/0 at both sides, and I expect to be Linux kernel XFRM UAF poc (3. 6 (on/off/module) PF_KEY Linux kernel source tree. XFRM is an IP framework intended for packet transformations, from encryption to ip xfrm monitor state monitoring for xfrm objects The xfrm objects to monitor can be optionally specified. Source code of linux/include/uapi/linux/xfrm. Currently my system captures packets utilizing n etfilter queue and readies the packet to be mangled. Contribute to torvalds/linux development by creating an account on GitHub. One recurring theme when Linux Kernel IPsec get a new feature usually the default is "N". 9. 0-1ubuntu1_amd64 NAME ip-xfrm - transform configuration SYNOPSIS ip [ OPTIONS ] xfrm { COMMAND | help } ip xfrm XFRM-OBJECT { depends on INET && XFRM Support for IPsec user configuration interface used by native Linux tools. If the all-nsid option is set, the program listens to all network namespaces that have a nsid assigned into the network namespace were Dear AVM: Please activate CONFIG_IKCONFIG for all kernels and modules. hazys ggbx eyobr tvesm bzt tijnl iajtx shlt sdkmkmc gafaq wshysuf omrx lxitk snts drpp