> Make sure to check documentation https://clickhouse.com/docs/en/ first. If the question is concise and probably has a short answer, asking it in Telegram chat https://telegram.me/clickhouse_en is probably the fastest way to find the answer. For more complicated questions, consider asking them on StackOverflow with "clickhouse" tag https://stackoverflow.com/questions/tagged/clickhouse 

> If you still prefer GitHub issues, remove all this text and ask your question here.

`            <networks incl="networks" replace="replace">
                <ip>127.0.0.1</ip>
                <host_regexp>^abc00[1-6]$</host_regexp>
            </networks>
`
`clickhouse-client --host abc003
ClickHouse client version 22.8.2.11 (official build).
Connecting to abc003:9000 as user default.

If you have installed ClickHouse and forgot password you can reset it in the configuration file.
The password for default user is typically located at /etc/clickhouse-server/users.d/default-password.xml
and deleting this file will reset the password.
See also /etc/clickhouse-server/users.xml on the server where ClickHouse is installed.

Code: 516. DB::Exception: Received from abc003:9000. DB::Exception: default: Authentication failed: password is incorrect or there is no user with such name. (AUTHENTICATION_FAILED)`


`if use <host> no problem`
#include "DNSResolver.h"
#include <base/CachedFn.h>
#include <Common/Exception.h>
#include <Common/ProfileEvents.h>
#include <Core/Names.h>
#include <base/types.h>
#include <Poco/Net/IPAddress.h>
#include <Poco/Net/DNS.h>
#include <Poco/Net/NetException.h>
#include <Poco/NumberParser.h>
#include <arpa/inet.h>
#include <atomic>
#include <optional>
#include <string_view>
#include "DNSPTRResolverProvider.h"
namespace ProfileEvents
{
    extern const Event DNSError;
}
namespace std
{
template<> struct hash<Poco::Net::IPAddress>
{
    size_t operator()(const Poco::Net::IPAddress & address) const noexcept