1) The Philippines has no specific law on internet libel, but libel committed through any "similar means" to those outlined in Article 355 could apply, including the internet.
2) For libel to apply, the statement must be defamatory, malicious, given publicly, and identify the victim. All elements must be present.
3) Service providers are generally not liable for users' content unless they have actual knowledge, receive financial benefit from unlawful acts, or directly commit infringement.