Although I frequently watch and enjoy FFXI private server players on Twitch, please be aware that streaming it is against the ToS and can suspend your Twitch account.
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In addition to our Terms of Service, we provide the following guidelines for all user conduct and content on our services. These guidelines fall under a common sense philosophy and apply to all user generated content and activity on our services. Violating our Community Guidelines may lead to the suspension of your account and access to our services, as well as the removal of any associated content. This is considered a living document that we regularly update based on the evolution of the Twitch community and service.
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We do not tolerate, for example: rebroadcasting other Twitch broadcasters' content, playing pirated games, showing third-party movies and television shows, rebroadcasting a sports match, playing on unauthorized private servers, or uploading content from other sites without permission of the copyright owner.
https://www.twitch.tv/p/legal/community-guidelines/Stream at your own risk. A troll / disgruntled viewer can take down your channel with ease.