Filters from DDoS attacks (Linux)

A problem has arisen with how things are heard on the other end; we have gone through a lot but cannot find the issue. We need a competent person who can identify the problem and better configure the telephony. There is also a remote server in this chain that connects via RDP, VPN, and other means. Therefore, the person must understand how it works and check all elements.

Hello. There have been multiple attacks on the online store in Moldova. The identity of the person who is 90% likely to have done this is known. It is necessary to try to gather as much information as possible from the server logs and other evidence about who did this. In general, to collect a body of evidence based on the available clues.

Task Description A specialist is required with experience in WhatsApp Business and Meta Business to analyze and resolve the reasons for the constant blocking of the WhatsApp Business account. Problem: When logging into the WhatsApp Business account, it is almost immediately blocked. After submitting an appeal, WhatsApp restores the account. After restoration and re-login, the account is blocked again. This situation has been repeating for several months. Important We: Do not use third-party applications for WhatsApp. Do not use modified versions of WhatsApp. Do not use bots, automation, or mass mailings. Do not send spam. Use only the official WhatsApp Business. Comply with platform rules. What needs to be done Conduct an audit and determine the possible cause of the blocks. Check: the device and its identifiers; IP addresses and connection geography; WhatsApp Business settings; related Meta/Facebook accounts; possible signs of automatic blocking by the anti-fraud system. Prepare recommendations for eliminating the cause of the blocks. If necessary, assist in preparing an appeal to WhatsApp/Meta support. Achieve stable account operation without subsequent automatic blocks. Requirements for the performer Experience with WhatsApp Business. Experience in resolving WhatsApp and Meta blocking issues. Understanding of Meta's anti-fraud systems. Successful cases of account recovery and stabilization. In your response, please indicate If you have experience solving similar problems. What reasons may cause such a situation. What diagnostic plan you propose. Examples of similar cases. Cost and timeline for the work. Budget: negotiable.