ubuntu 會用 `/etc/machine-id` 來作為 DHCP identifier 去要 IP address 而 cloud image 裡面這個值是固定的 所以 clone 之後會拿到重覆的 IP 把 `/etc/machine-id` 清空即可 ...(還有更多)

`/etc/dhcp/dhclient-exit-hooks.d/ipv6` ```bash # To enable this script set the following variable to "yes" RUN="yes" ...(還有更多)

Log: ``` bgpd[99576]: [YXTCF-6ENSA][EC 33554510] Interface: wgXX does not have a v6 LL address associated with it, waiting until one is created for it bgpd[99576]: [P90Z5-FP0GJ][EC 33554461] <re... ...(還有更多)

[TOC] # ImaginaryCTF 2024 WriteUp Solo played ImaginaryCTF as [t510599](https://2024.imaginaryctf.org/User/301.html), Rank #69/1457 (Score: 2901) ...(還有更多)

sad

Config: ``` interface Vlan721 ip address 192.168.72.254 255.255.255.0 ``` ...(還有更多)

``` dig +short myip.opendns.com @resolver1.opendns.com ```

[TOC] ## 成績  看[完整 Profile](https://img.stoneapp.tech/t510599/eof-2024/quals/Profile.png) ...(還有更多)

雖然在日本開了一台 oracle always free 但是 oracle 的 IP 有時候不會被當成日本 IP 因此多套一層 Cloudfalre WARP 來繞過這個問題 (CF 認 oracle 日本 IP 所以出口也給日本的) 首先透過 [wgcf](https://github.com/ViRb3/wgcf) 註冊一個 cf warp 帳號並生成 wireguard profi... ...(還有更多)

[TOC] 這次是第四次參賽 總算是拿到前三名了 > <  最後拿到了第一名 感謝隊友們 ...(還有更多)