From A Legal Perspective, Bilibili Group Mocks Korea's Boundaries Of Rights And Responsibilities

2026-07-25 10:08:57

Current Location： Blog > South Korea server

1. Overview: The relationship between freedom of speech, the right to reputation, and technological carriers

1) Freedom of speech is not absolute; civil and criminal laws have specific restrictions on "insult" and "defamation" in different countries.
2) On online platforms (such as Bilibili), user-generated content is disseminated via servers, domain names, and CDNs; the technical aspect determines the integrity of the chain of evidence.
3) Group mockery (large-scale siege or mockery) may be public discussion, damage to reputation, harassment, or incite hatred.
4) Platforms, hosting providers, and domain registrars have different responsibilities under different legal frameworks, so the scope of obligations should be determined by combining VPS/hosting logs and CDN records.
5) This article will combine technical details (servers/domains/protection configurations) with legal boundaries to provide actionable compliance and forensic advice.

2. Legal Framework: The fundamental differences in domestic and international responsibilities regarding online speech and service providers

1) Both China and South Korea have legal regulations regarding online defamation and insult, but the procedures and evidentiary requirements differ, making cross-border evidence collection complex.
2) In South Korea, the Criminal Act and the Information and Communications Network Act have clear provisions on insult, defamation, and online harassment, and online platforms may be required to cooperate with investigations and remove content.
3) In China, platforms have a "reasonable duty of care," and upon receiving a legitimate request from rights holders, they must conduct preliminary review and take appropriate measures.
4) Technical evidence (server access logs, CDN access records, WHOIS and domain name resolution records) is key for courts to determine the dissemination chain and responsible parties.
5) For cross-border incidents, common processes include: preserving electronic evidence → sending legal requests to ISP/CDN → intervention by courts or international legal assistance (MLAT).

3. Definition of responsibilities between the platform and the host provider (including real case analysis).

1) Platform responsibilities are usually divided into proactive review obligations and passive notification-takedown obligations, depending on whether actual control and profit linkage exist.
2) Hosting/VPS providers are mainly responsible for hosting services, but if notified of illegal content, they are still obligated to cooperate with removal and removal.
3) Real case (exemplary statement, key points of the public judgment): A Korean citizen filed a defamation lawsuit against domestic and foreign platforms. The court adopted access logs and CDN traceability data provided by the platform as key evidence, ordering the platform to cooperate in deleting and providing user information.
4) In this case, the access timestamp of the CDN edge node was compared with the origin log (UTC), successfully locating the source IP and publishing account.
5) Therefore, platforms and hosting providers should retain complete access logs for at least 90 days (including X-Forwarded-For headers, real client IPs, request URIs, and User-Agents) for judicial needs.

4. Technical details of evidence preservation and evidence collection (including server configuration examples).

1) The evidence chain must be tamper-proof; it is recommended to enable WORM or synchronize logs to third-party verifiable storage (cloud storage/cold backup).
2) Example of minimum log retention strategy: access logs for 90 days, audit logs for 365 days, and snapshot backups for at least 180 days.
3) Nginx sample log format (recommended to keep it on the host long-term and regularly hash):
access_log /var/log/nginx/access.log combined_hash; log_format combined_hash '$remote_addr $http_x_forwarded_for $remote_user [$time_local] \"$request\" $status $body_bytes_sent \"$http_referer\" \"$http_user_agent\" $request_ time';
4) WHOIS and DNS resolution records must also be preserved. It is recommended to export domain registration information and DNS resolution history snapshots immediately after disputes arise (such as using DNS history query services).
5) For cross-border requests, it is recommended to keep CDN edge node reports (including node ID, request time, and region), origin access logs, and firewall/IDS alert records for verification purposes.

5. CDN, DDoS Defense and Liability Allocation: How Technology Influences Legal Judgment

1) In content distribution, the CDN acts both as an intermediate buffer and as the main provider of caching strategies and content offline-down functions; its actions determine the speed of dissemination and reversibility.
2) In scenarios where DDoS or large-scale mass mockery triggers sudden traffic spikes, the CDN and upstream capacity determine whether the platform can continue to disseminate related content.
3) If the platform continues to spread malicious information due to failing to take timely and reasonable protection, it may be judged by the court as failing to fulfill its management obligations; Therefore, deploying WAFs, rate limits, and automatic offline mechanisms is very important.
4) Example of DDoS protection data (artificially constructed for illustration): Please see the table below to show the changes and blocking effects of CDN and origin traffic during a group mockery event.
."

time (UTC)	request /s	CDN cache hit rate	blocking IPs	mitigation duration
2025-03-10 08:00	8,500	78%	1,200	N/A
2025-03-10 08:15	22,000	65%	3,450	0.5 hours (automatic).
2025-03-10 08:45	5,300	82%	4,000	1 hour (complete relief)

5) Legally, if the platform can prove that reasonable CDN protection and log preservation measures have been implemented, it usually helps reduce or exempt some liability.

6. Practical recommendations for cross-border judicial and domain name/hosting enforcement measures

1) Cross-border cases often encounter jurisdictional conflicts of law enforcement; first determine where the data and servers are located (courts usually have jurisdictional priority over the location of the data).
2) For suspected illegal content, "legal preservation" should be implemented immediately: export log snapshots, hash files (e.g., SHA-256), and keep copies by a trusted third party.
3) Domain names can be resolved by domain registries, or courts may require resolution to point to blank pages or registrar locks, so preserving WHOIS and domain change histories is crucial.
4) If the host or VPS is located in a third country, initiate MLAT or issue a preservation letter through a foreign-related lawyer, and simultaneously send an urgent downline request to the CDN/host.
5) Technical recommendation: Set up independent domain names and independent source sites for high-risk content, so that only a single subsystem can be shut down when needed, reducing collateral losses.

7. Recommendations and Conclusions: Balancing interests, clarifying processes, and strengthening technical compliance

1) The platform should establish clear content management and dispute handling procedures, and combine legal counsel and technical teams to form a rapid response channel (SLA: 24-72 hours).
2) On the technical side, it is necessary to achieve: complete logs (ACCESS/ERROR/WAF), CDN AUDIT REPORTS, domain and DNS history backups, and snapshot-style evidence preservation.
3) Collaboration between law and technology: When receiving complaints of infringement or defamation, both the removal process and evidence collection and preservation are carried out simultaneously to avoid loss of evidence continuity due to deletion operations.
4) For foreign-related remarks (such as mass mockery targeting South Korean subjects), the legal risks of both the country and the relevant country should be assessed simultaneously, and regional blocking or content isolation strategies should be adopted if necessary.
5) Conclusion: Legal judgments in mass mockery incidents on Bilibili or similar platforms rely on precise technical evidence chains. Platforms, hosts, and CDNs should establish verifiable logging and protection systems to effectively assume and allocate legal responsibilities while safeguarding freedom of speech.

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