jellyfin.org/docs/general/post-install/networking/9_advanced/ipban.md

uid, title

uid	title
network-ipban	IPBan

IPBan

IPBan is an intrusion prevention much like fail2ban, but multi-platform

Install with one command on windows (elevated powershell prompt)

[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12; iex ((New-Object System.Net.WebClient).DownloadString('https://raw.githubusercontent.com/DigitalRuby/IPBan/master/IPBanCore/Windows/Scripts/install_latest.ps1'))

Config

<LogFile>

        <Source>Jellyfin</Source>
        <PathAndMask>
          C:/ProgramData/Jellyfin/Server/log/log_{year-local}{month-local}{day-local}.log
        </PathAndMask>
        <FailedLoginRegex>
          <![CDATA[
              Authentication\s+request\s+for\s+\S+?(?<username>[^\s]+)\S+\s+has\s+been\s+(?<log>denied)\s+\(IP:\s+"(?<ipaddress>[^,"\s]+)"\)
          ]]>
        </FailedLoginRegex>
        <SuccessfulLoginRegex>
          <![CDATA[
              Authentication\s+request\s+for\s+\S+?(?<username>[^\s]+)\S+\s+has\s+succeeded
          ]]>
        </SuccessfulLoginRegex>
        <PlatformRegex>Windows</PlatformRegex>
        <PingInterval>10000</PingInterval>
        <MaxFileSize>16777216</MaxFileSize>
        <FailedLoginThreshold>0</FailedLoginThreshold>

</LogFile>