Pnetlab 5.3.11 ((exclusive)) -
Designing complex topologies requires clean labeling. Version 5.3.11 implements fine-tuned control over text elements: that adapt dynamically to text size.
Whenever you add or modify images in PNetLab, you must fix the file permissions, or the nodes will instantly shut down upon starting.
For enterprise-level labs, EVE-NG (Pro) is recommended. For beginners in Cisco, GNS3 remains a good starting point. Pnetlab 5.3.11
To import Huawei AR/USG images:
"Not again," Elias muttered, force-quitting the browser. Designing complex topologies requires clean labeling
| 防御层 | 机制 | EVE-NG 6.2.0-4 | PNETLab 5.3.11 | 差距说明 | | :--- | :--- | :--- | :--- | :--- | | | Shell元字符清洗 | escapeshellcmd() – PHP标准库函数，过滤所有shell元字符 | secureCmd() – 自定义函数，仅过滤部分字符 | PNETLab 不过滤 $() ，是 CVE-2025-63749 的直接成因。 | | L2 | 圆括号转义 | preg_replace 将 ( ) 转义，使命令替换失效 | 无 | PNETLab 完全缺失此层防护。 | | L3 | 引号转义 | addslashes() – 防止参数截断破坏命令行结构 | 无等价措施 | PNETLab 完全缺失此层。 | | L4 | chroot隔离 | chroot(".") – 限制 QEMU 进程在运行目录内 | 无 chroot | PNETLab 的 QEMU 进程可直接访问宿主机文件系统。 | | L5 | 进程组权限限制 | setgid(32768) – 设置到 unl 组 | 以 root 运行，无限制 | 两者均以 root 身份运行 QEMU 节点，是共同短板。 | | L6 | 只读挂载保护 | mount -B -o ro + chattr +i – 镜像目录只读 | 无 | PNETLab 被入侵后镜像文件可被篡改。 |
Pnetlab is a network simulator developed by a team of experts with a passion for networking and software development. The tool is designed to provide a realistic and interactive environment for network professionals, students, and researchers to design, test, and optimize network configurations. With Pnetlab, users can create virtual networks, configure devices, and simulate various network scenarios, all within a controlled and safe environment. For enterprise-level labs, EVE-NG (Pro) is recommended
This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later. Release - PNETLab : Lab is Simple
PNETLab 5.3.11 is a stable, feature-rich version of the PNETLab platform designed for creating virtual network labs. It allows users to run Cisco IOL, vIOS, Juniper, Fortinet, F5, and many other vendor images in a virtualized environment. Key Features and Improvements in 5.3.11
As SDN (Software-Defined Networking) and automation become standard, the ability to emulate API-driven environments is crucial. PNETLab's excellent Docker support combined with robust device emulation makes it superior for testing network automation scripts (Python, Ansible) and API interactions with platforms like Cisco DNA Center or FortiManager.