$ curl https://raw.githubusercontent.com/qianbinbin/transmission-block/master/trans-block.sh -o /path/to/trans-block.sh
$ chmod +x /path/to/trans-block.sh

# 主机:端口
# 通常无需修改
HOST="localhost:9091"

# 用户名:密码
AUTH="username:password"

# 需要屏蔽的客户端，不区分大小写，以空格分隔
# 脚本会使用 grep 匹配 POSIX 正则：https://remram44.github.io/regex-cheatsheet/regex.html
# 只要包含关键字即可，如 "xun" 也会屏蔽 "xunlei"
# thunder 是迅雷较新客户端，据一些用户称它也会上传
# libtorrent 被迅雷服务器使用，但也有正常用户使用，可能会误伤
CLIENTS="xunlei thunder gt[[:digit:]]\{4\} xl0012 xf dandanplay dl3760 qq libtorrent"

# 屏蔽列表文件，在配置目录的 blocklists 文件夹下
# https://github.com/transmission/transmission/blob/main/docs/Blocklists.md
LIST="$HOME/.config/transmission-daemon/blocklists/leechers.txt"

# 每过一段时间清空列表，单位：秒
# 0 表示永久屏蔽，由于 IP 动态分配，不建议永久屏蔽
# TIMEOUT_SECONDS=$((60 * 60 * 24)) # 24 小时
TIMEOUT_SECONDS=0

# 如果检测到吸血客户端，立即重启任务，否则 Transmission 不会立即停止上传
RESTART_TORRENT=true

$ curl https://raw.githubusercontent.com/qianbinbin/transmission-block/master/transmission-block.service -o /etc/systemd/system/transmission-block.service

# 用户
User=debian-transmission
# 脚本路径
ExecStart=/path/to/trans-block.sh

$ systemctl daemon-reload
$ systemctl enable transmission-block.service # 开机启动
$ systemctl start  transmission-block.service # 立即启动
$ systemctl status transmission-block.service # 查看状态

$ curl https://raw.githubusercontent.com/qianbinbin/transmission-block/master/trans-block.sh -o /path/to/trans-block.sh
$ chmod +x /path/to/trans-block.sh

# host:port
# Usually no need to change
HOST="localhost:9091"

AUTH="username:password"

# Clients to block, case insensitive, split by whitespaces
# The script will use grep to match POSIX regex: https://remram44.github.io/regex-cheatsheet/regex.html
# Only keywords are needed, which means "xun" would also block "xunlei"
# thunder is the new version of xunlei, may upload as reported by some users
# libtorrent is used by Xunlei servers, but may also be used by normal users
CLIENTS="xunlei thunder gt[[:digit:]]\{4\} xl0012 xf dandanplay dl3760 qq libtorrent"

# Blocklist file in its configuration folder
# https://github.com/transmission/transmission/blob/main/docs/Blocklists.md
LIST="$HOME/.config/transmission-daemon/blocklists/leechers.txt"

# Clear blocklist every specified time period (in seconds)
# 0=disable, not recommended due to dynamic IPs
# TIMEOUT_SECONDS=$((60 * 60 * 24)) # 24 hours
TIMEOUT_SECONDS=0

# Restart related torrents immediately if leechers detected,
# or Transmission won't stop seeding at once
RESTART_TORRENT=true

$ curl https://raw.githubusercontent.com/qianbinbin/transmission-block/master/transmission-block.service -o /etc/systemd/system/transmission-block.service

User=debian-transmission
ExecStart=/path/to/trans-block.sh

$ systemctl daemon-reload
$ systemctl enable transmission-block.service
$ systemctl start  transmission-block.service
$ systemctl status transmission-block.service